Pith Number

pith:CJU2DFRH

pith:2004:CJU2DFRHAHLGISFKXN2XSHYOCB

not attested not anchored not stored refs pending

Kinematic and chemical evolution of early-type galaxies

(2) MPE Munich/Garching, 3), (3) Sternwarte Munich), A. Boehm (1), A. Fritz (1), B. L. Ziegler (1), C. Maraston (2) ((1) Goettingen, D. Thomas (2), R. Bender (2

arxiv:astro-ph/0412250 v1 · 2004-12-10 · 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{CJU2DFRHAHLGISFKXN2XSHYOCB}

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	2026-05-18T04:38:15.876599Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1269a1962701d66448aabb75791f0e106ad64783a7f3d194c44e9d12295b84cf

Aliases

arxiv: astro-ph/0412250 · arxiv_version: astro-ph/0412250v1 · doi: 10.48550/arxiv.astro-ph/0412250 · pith_short_12: CJU2DFRHAHLG · pith_short_16: CJU2DFRHAHLGISFK · pith_short_8: CJU2DFRH

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/CJU2DFRHAHLGISFKXN2XSHYOCB \
  | 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: 1269a1962701d66448aabb75791f0e106ad64783a7f3d194c44e9d12295b84cf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1679872b3e41092ebf3d83738604ce84bbffc7257cdf145b739bc820480d7539",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-12-10T10:31:03Z",
    "title_canon_sha256": "15afeff2f2e015cc70788c46f6b93695eb1bd4856ab9fd13a96f1bb0e1da8815"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0412250",
    "kind": "arxiv",
    "version": 1
  }
}