Pith Number

pith:CUBQQ5BU

pith:2004:CUBQQ5BUZIVKX7BWLMNSTBI3ZC

not attested not anchored not stored refs pending

Diffuse elliptical galaxies, the first 3D spectroscopic observations

Igor Chilingarian, Olga Silchenko, Philippe Prugniel, Victor Afanasiev

arxiv:astro-ph/0412293 v1 · 2004-12-13 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CUBQQ5BUZIVKX7BWLMNSTBI3ZC}

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	2026-07-04T14:13:57.659747Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1503087434ca2aabfc365b1b29851bc8a28d1a1bdaced2db866bc7108f9b75c9

Aliases

arxiv: astro-ph/0412293 · arxiv_version: astro-ph/0412293v1 · doi: 10.48550/arxiv.astro-ph/0412293 · pith_short_12: CUBQQ5BUZIVK · pith_short_16: CUBQQ5BUZIVKX7BW · pith_short_8: CUBQQ5BU

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/CUBQQ5BUZIVKX7BWLMNSTBI3ZC \
  | 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: 1503087434ca2aabfc365b1b29851bc8a28d1a1bdaced2db866bc7108f9b75c9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "10dce410dd3259738906f328c66bb56cc756497c3174653cd5471aa7005d297a",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-12-13T13:25:49Z",
    "title_canon_sha256": "dbbbd45a8a85f13a9ad986f0867a7155c731a68990eba306d4964f7fc575eada"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0412293",
    "kind": "arxiv",
    "version": 1
  }
}