Pith Number

pith:LPVLXFGL

pith:2009:LPVLXFGL2PJYUXKAHURNTL3XWX

not attested not anchored not stored refs pending

The End of the White Dwarf Cooling Sequence in M4: an efficient approach

(2) J.M.Univ.Liverpool, (3) Univ.PD, (4) Univ.of Washington Seattle, (5) INAF-Obs.Teramo), G. Piotto (3), I. R. King (4), J. Anderson (1), L. R. Bedin (1), M. Salaris (2), S. Cassisi (5) ((1) STScI

arxiv:0903.2839 v1 · 2009-03-16 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LPVLXFGL2PJYUXKAHURNTL3XWX}

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.

Cited by

1 paper in Pith

New Way to Date Globular Clusters: Brown Dwarf Cooling Sequences

Receipt and verification

First computed	2026-05-18T04:29:15.925827Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5beabb94cbd3d38a5d403d22d9af77b5f0947f02c30be318f29489448cc416e8

Aliases

arxiv: 0903.2839 · arxiv_version: 0903.2839v1 · doi: 10.48550/arxiv.0903.2839 · pith_short_12: LPVLXFGL2PJY · pith_short_16: LPVLXFGL2PJYUXKA · pith_short_8: LPVLXFGL

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/LPVLXFGL2PJYUXKAHURNTL3XWX \
  | 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: 5beabb94cbd3d38a5d403d22d9af77b5f0947f02c30be318f29489448cc416e8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a3c99922af9dc6a185a5500c42079f791ca80589266f5e36bb2b801e51d0f72b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2009-03-16T20:00:06Z",
    "title_canon_sha256": "a7901ad5e6e8e2f6e6411f9a672ed722da3dd4a8d0a831bd1946c93c3670728a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0903.2839",
    "kind": "arxiv",
    "version": 1
  }
}