Pith Number

pith:VBZ2AZNI

pith:2003:VBZ2AZNI4AABAA4UGYN2QM435J

not attested not anchored not stored refs pending

On the C and N Abundances of 47 Tucanae Main Sequence Stars

Daniel Harbeck, Eva K. Grebel, Graeme H. Smith, Michael M. Briley

arxiv:astro-ph/0312316 v2 · 2003-12-11 · 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{VBZ2AZNI4AABAA4UGYN2QM435J}

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	2026-05-18T01:40:37.615583Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a873a065a8e000100394361ba8339bea6c13098c9d3a419d09605accf510927b

Aliases

arxiv: astro-ph/0312316 · arxiv_version: astro-ph/0312316v2 · doi: 10.48550/arxiv.astro-ph/0312316 · pith_short_12: VBZ2AZNI4AAB · pith_short_16: VBZ2AZNI4AABAA4U · pith_short_8: VBZ2AZNI

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/VBZ2AZNI4AABAA4UGYN2QM435J \
  | 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: a873a065a8e000100394361ba8339bea6c13098c9d3a419d09605accf510927b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "24a8c66e2def1dce336c7a2085862fd58f9442dc19736aa2046f6a3b2f9064a8",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-12-11T22:18:13Z",
    "title_canon_sha256": "709b2d5185e65eaca42a1869f43c0768c62e297fc0272738684e52bf0fe913ae"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0312316",
    "kind": "arxiv",
    "version": 2
  }
}