Pith Number

pith:VGAE3UJS

pith:2003:VGAE3UJSNIGMV325NBSS6ZWFCQ

not attested not anchored not stored refs pending

Telling the tale of the first stars

Timothy C. Beers

arxiv:astro-ph/0304468 v1 · 2003-04-25 · 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{VGAE3UJSNIGMV325NBSS6ZWFCQ}

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	2026-05-18T01:40:39.002556Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a9804dd1326a0ccaef5d68652f66c514241361eccd3b346f5c209f47858cb64f

Aliases

arxiv: astro-ph/0304468 · arxiv_version: astro-ph/0304468v1 · doi: 10.48550/arxiv.astro-ph/0304468 · pith_short_12: VGAE3UJSNIGM · pith_short_16: VGAE3UJSNIGMV325 · pith_short_8: VGAE3UJS

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/VGAE3UJSNIGMV325NBSS6ZWFCQ \
  | 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: a9804dd1326a0ccaef5d68652f66c514241361eccd3b346f5c209f47858cb64f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "83716037ea7633210bf9514c14e031dae3591d219590081dc21e6f27acd4b774",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-04-25T20:25:27Z",
    "title_canon_sha256": "b0dcdd18c22dc1975f35cbdca03c3dbe64d1b70645c0399f67493f2f7d662bf3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0304468",
    "kind": "arxiv",
    "version": 1
  }
}