UNNS SUBSTRATE
121/121 ATLAS
5-FAMILY CONSENSUS
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Galaxy Structural Fingerprints — STRUC-I v1.0.4 / STRUC-PERC-I v2.5.0 Primary Atlas · 2026

Galaxy Structural
Fingerprints

A Multiscale Atlas of Persistence, Fragmentation, and Connectivity in SPARC Baryonic-Acceleration Ladders

A 121-galaxy structural-fingerprint atlas built from resolved SPARC mass models: each galaxy's sorted, deduplicated baryonic-acceleration ladder is swept through STRUC-I and STRUC-PERC-I to produce the multichannel object Fg(κ) = [ρ, DA, ν̃]. Gate B shows near-perfect unchanged-preparation identity (top-1/top-5 = 1.000); the atlas separates a Stable Structure / Weak Persistence regime and resolves the Stable basin into a five-family consensus admissibility structure; and an external transfer test shows that a local RAR-like baseline remains unbeaten by static whole-galaxy chamber augmentation.

121
Primary SPARC galaxies
STRUC-I + STRUC-PERC-I
1.000
Gate B top-1 / top-5
median ICC 0.99985
110 / 11
Stable Structure /
Weak Persistence
5
Consensus admissibility
families (Stable basin)
14.0%
Full Percolation rate
17/121, adaptive κ only
Atlas Geometry — Regime Displacement Combined PCA
C0 C2 C1 C3 C4 Weak n=11 Stable Structure basin (n=110) displaced regime Δρ-PC1 ≈ 13.3 ARI = 0.678 (partial) Regime displacement + 5-family internal taxonomy
structural-PC1/PC2 Ward Consensus k=5 n=121
Validation Gates B: Full · C: Partial
B
Gate B — Unchanged Reproducibility
5 unseeded STRUC-I repeats (R1–R5) · leave-one-repeat-out
Full ρ-curve RMS · combined 3-channel RMS · ρ-PCA-3
top-1/5 = 1.000
ICC = 0.99985
FULL
C
Gate C — Representation Response
4 branches: leave-1-radius · deterministic thinning ·
fixed-count coverage · mass-to-light sensitivity
top-1 = 0.050–0.551
branch-dependent
PARTIAL
T
External Transfer — RAR Null
M0–M2, M-I/P/IP, full-curve ρ/Aκ/ν models
galaxy-held-out cross-validation vs. local baseline
M1 best = 0.18428
M-IP = 0.19455
UNBEATEN
STRUC-I / STRUC-PERC-I Log v1.0.4 / v2.5.0
[GATE-B] top-1=1.000 · top-5=1.000 [GATE-B] median ICC=0.99985 · n=121 [PCA] ρ 90.8% · ν 88.5% · Aκ 55.9% [REGIME] Stable 110/121 · Weak 11/121 [REGIME] ρ-PC1: -2.11 vs +11.22 [CLUSTER] consensus k=5 · sil=0.825 [CLUSTER] boot ARI: Ward 0.694 · GMM 0.742 [CLUSTER] C2 Full-Perc 8/18 · Fisher p=3.6e-4 [PFC] Hard-Frag 103/121 · Full-Perc 17/121 [PFC] adaptive κ-connect: 17/17 [GATE-C] radius=0.551 · thin=0.165 · cov=0.050 [NEIGHBOR] Hubble Δ2 vs 3 (-33%) [ANALOGUE] DDO168-NGC3893 d=0.079 [TRANSFER] M1=0.18428 · M-IP=0.19455 [STATUS] Atlas established · 0 contradictions
1.000
Gate B top-1/top-5
14.0%
Full Percolation rate
Admissibility Registry — Full Percolation k=5 · n=110
C0
4.6% 65 gal · core
C1
23.1% 13 gal · late-type
C2
44.4% 18 gal · enriched
C3
0.0% 7 gal · uniform HF
C4
14.3% 7 gal · most displaced
Cluster 2 vs. rest
Fisher
p=3.6e-4 OR = 9.7
Sample-wide rate: 17/121 = 14.0% · Stable-only: 15/110 = 13.6%
Within-cluster co-assignment: 0.819–0.967
Structural Analogue Archetypes Cross-Class Pairs
DDO 168 ↔ NGC 3893 — Structural Contact d = 0.079
Cluster 0 · Hubble 10 vs. 5 · ΔV_flat = 120.6 km/s
struct. dist 0.079
Hubble Δ 5
ΔV_flat 120.6
Corpus-minimum structural distance among the analogue pairs · dwarf irregular and massive spiral, nearly identical structural response
F563-1 ↔ UGC 06614 — Branching Analogue d = 0.144
Cluster 0 · Hubble 9 vs. 1 · ΔV_flat = 89.9 km/s
struct. dist 0.144
Hubble Δ 8
ΔV_flat 89.9
Low-surface-brightness dwarf paired with an early-type high-velocity disk · UGC 06614 shows the largest combined transfer benefit in the heterogeneity analysis
Gate C — Transformation Escalation Top-1 Retrieval

Retrieval accuracy falls from 1.000 under unchanged repetition as the observational transformation strengthens; fixed-count coverage change is the most disruptive branch.

Leave-1-radius
top-1=0.551
Mass-to-light
top-1=0.517
Det. n=10 thinning
top-1=0.165
Fixed-count coverage
top-1=0.050
Geometry-Matched Top-1 0.256–0.726 Branch-Dependent
Structural Identity vs. Dynamical Transfer Formal Layer
A galaxy's baryonic-acceleration ladder possesses a reproducible, organized, multichannel structural identity that is largely dissociable from its dynamical predictive content: STRUC-I establishes near-perfect unchanged-preparation identity and a five-family admissibility structure within the Stable Structure basin, while STRUC-PERC-I shows that persistence and connectivity are independent structural axes — and neither, inserted as a static whole-galaxy descriptor, improves held-out prediction of gravitational discrepancy beyond a local baryonic-acceleration baseline.
Definition 1
Structural fingerprint Fg(κ) = [ρg, DA,g, ν̃g] — complete multiscale response morphology, not a single scalar
Proposition 1
Persistence ⇏ Connectivity — 94/121 simultaneously Stable Structure and Hard Fragmentation
Empirical Result
External transfer boundary — local RAR-like baseline (M1) remains unbeaten by static whole-galaxy augmentation
Future Programme
Normalized, regime-conditioned fingerprint N(Fgobs, Og) · cluster validation under independent samples
Corpus Resources Three Archives
Working Manuscript · PDF Galaxy Structural Fingerprints Full manuscript: Gate B/C, structural regimes, admissibility clusters, persistence–fragmentation–connectivity, physical organization, external transfer test. STRUC-I v1.0.4 / STRUC-PERC-I v2.5.0. ↗ unns.tech/media/unns/galaxy-structure_and_validation/ Interactive Analytics · HTML UNNS Galaxy Structural Fingerprint Atlas Full interactive analysis: sample summary, Gate B/C results, channel architecture, regime and cluster geometry, physical alignment, and external transfer decomposition. ↗ UNNS_Galaxy_Structural_Fingerprint_Analytics.html Full Corpus Archive · ZIP Data and Corpus Construction Complete pipeline archive: SPARC primary sample, ladder construction, STRUC-I/STRUC-PERC-I chamber exports, PCA tables, Gate B/C records, external transfer model outputs, and conversion scripts. ↓ UNNS_GALAXY_STRUCTURE_AND_VALIDATION_v0_3.zip
Representation Sensitivity Review Rep. A vs. Rep. B

Before adopting a consensus admissibility taxonomy, clustering agreement between the full standardized multichannel curves (Representation A, 120-dim) and the combined structural-PCA coordinate (Representation B) is checked at global and within-regime scope. Agreement is representation-dependent globally, but consistent once the Weak Persistence displacement is removed.

Global split (n=121)
ARI ≈ −0.004
Rep. A vs. Rep. B, k=2
representation-dependent
Within-Stable split (n=110)
ARI = 0.928
Rep. A vs. Rep. B, matched k=2
representation-consistent
Verdict impact
None
Gate B retrieval / regime counts
computed directly from chamber curves
Representations: full standardized F_g(κ) curves (120-dim) vs. combined structural-PCA (structural-PC1–3) · Manuscript §6.1–6.2