Pith Number

pith:QHYCFE5Z

pith:2003:QHYCFE5ZCXQSGVVA7WVPLWJ5Y3

not attested not anchored not stored refs pending

The Fundamental Properties of Dwarf Elliptical Galaxies in Clusters

Alister W. Graham, Ana Matkovic, Ileana Vass, Javier Gorgas, Nicolas Cardiel, Rafael Guzman

arxiv:astro-ph/0303390 v2 · 2003-03-17 · 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{QHYCFE5ZCXQSGVVA7WVPLWJ5Y3}

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	2026-05-18T03:57:01.318545Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

81f02293b915e12356a0fdaaf5d93dc6e9a78909b00a7251baec8ab057a4a8ed

Aliases

arxiv: astro-ph/0303390 · arxiv_version: astro-ph/0303390v2 · doi: 10.48550/arxiv.astro-ph/0303390 · pith_short_12: QHYCFE5ZCXQS · pith_short_16: QHYCFE5ZCXQSGVVA · pith_short_8: QHYCFE5Z

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/QHYCFE5ZCXQSGVVA7WVPLWJ5Y3 \
  | 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: 81f02293b915e12356a0fdaaf5d93dc6e9a78909b00a7251baec8ab057a4a8ed

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a86202a0638733a131b63b1dbc6b418e15978f7a61eb8cf5c792bf7d6e6821ef",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-03-17T20:40:34Z",
    "title_canon_sha256": "cfe043ac55d5d58368d416d6dde9cda7e7a33da9e5ac12d32f7141c8ac27c50a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0303390",
    "kind": "arxiv",
    "version": 2
  }
}