Pith Number

pith:AJRBJNOZ

pith:2026:AJRBJNOZTM7ID2FSIONRJOPWU6

not attested not anchored not stored refs resolved

Disk-like galaxies at 4 < z < 7.7 : JWST/NIRCam morphologies revealed by denoising VAE-GCNN classification

A. Avagyan, S.S. Mirzoyan, V.G. Gurzadyan

A VAE-GCNN pipeline on JWST/NIRCam images measures a 0.34 disk-like fraction among 100 galaxies at redshifts 4 to 7.7.

arxiv:2604.14599 v1 · 2026-04-16 · astro-ph.GA

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\usepackage{pith}
\pithnumber{AJRBJNOZTM7ID2FSIONRJOPWU6}

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Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Claims

C1strongest claim

We determine the fraction of disk-like galaxies as 0.34 for a sample of JWST 100 galaxies over the redshift range 4 < z < 7.7, also in dependence on the galaxy mass range.

C2weakest assumption

The denoising VAE preserves intrinsic galaxy morphology without introducing or removing disk-like features, and the GCNN classifier trained on the denoised cutouts generalizes accurately to high-redshift JWST data without significant bias from training set or redshift effects.

C3one line summary

A denoising VAE-GCNN pipeline applied to JWST/NIRCam images yields a 0.34 fraction of disk-like galaxies at 4 < z < 7.7.

References

23 extracted · 23 resolved · 0 Pith anchors

[1] L., Teyssier, R., & Dekel, A 2025

[2] 2011, A&A, 532, A74 2011

[3] et al, 2025, ApJ, 994, 126 Capozziello S., Di Valentino E., Gurzadyan V.G., 2025, Eur 2025

[4] arXiv e-prints , keywords = 2026

[5] Group Equivariant Convolutional Networks 2016 · arXiv:1602.07576

Cited by

1 paper in Pith

Enhancing Galaxy Classification with U-Net Variational Autoencoders. III. Disk-like Galaxy Identification in JWST Samples of up to redshift 4

Receipt and verification

First computed	2026-07-17T01:20:49.421220Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

026214b5d99b3e81e8b2439b14b9f6a7b1798c875498bce5af5c8af8f87db552

Aliases

arxiv: 2604.14599 · arxiv_version: 2604.14599v1 · doi: 10.48550/arxiv.2604.14599 · pith_short_12: AJRBJNOZTM7I · pith_short_16: AJRBJNOZTM7ID2FS · pith_short_8: AJRBJNOZ

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/AJRBJNOZTM7ID2FSIONRJOPWU6 \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 026214b5d99b3e81e8b2439b14b9f6a7b1798c875498bce5af5c8af8f87db552

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "adfe8f8d522d8a33dead10e992405e5be0c1efc3d4374069ffde4104fbe3cf7b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2026-04-16T04:08:00Z",
    "title_canon_sha256": "0303224ab1e381b383febabf82084cb64de92d13638708971997722f542edaf4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2604.14599",
    "kind": "arxiv",
    "version": 1
  }
}