Pith Number

pith:VC2PESUC

pith:2025:VC2PESUCPSK7BHK5VPPHKGLY7F

not attested not anchored not stored refs pending

Properties of cluster red-sequence spiral galaxies

(2) Colorado State University, (3) New Mexico State University-Alamogordo, (4) Instituto Nacional de Astrofisica, Gihan L. Gamage (3), Lane M. Kashur (2), Moreom Akter (1), Omar L\'opez-Cruz (4) ((1) University of North Dakota, Optica y Electronica), Sandanuwan P. Kalawila (1), Wayne A. Barkhouse (1)

arxiv:2508.06896 v2 · 2025-08-09 · astro-ph.GA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VC2PESUCPSK7BHK5VPPHKGLY7F}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

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.

Receipt and verification

First computed	2026-05-27T01:04:49.974753Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a8b4f24a827c95f09d5dabde751978f97620e3fc31e4d1c6a96f36722a5161ce

Aliases

arxiv: 2508.06896 · arxiv_version: 2508.06896v2 · doi: 10.48550/arxiv.2508.06896 · pith_short_12: VC2PESUCPSK7 · pith_short_16: VC2PESUCPSK7BHK5 · pith_short_8: VC2PESUC

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/VC2PESUCPSK7BHK5VPPHKGLY7F \
  | 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: a8b4f24a827c95f09d5dabde751978f97620e3fc31e4d1c6a96f36722a5161ce

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "746daa143c6fb289d881bd708bd93173af7cb13e6055c7d6dfd7c9390cbb0509",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2025-08-09T09:02:24Z",
    "title_canon_sha256": "24cdc8b2c8d6d39204fe449add256520849565829176fbe715678272af2b8f23"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2508.06896",
    "kind": "arxiv",
    "version": 2
  }
}