Pith Number

pith:FHJCZDH4

pith:2003:FHJCZDH44H5BL4NW7I7OUZLL2A

not attested not anchored not stored refs pending

Discovery of a quiescent neutron star binary in the globular cluster M13

Bruce Gendre (1), Didier Barret (1), France), Natalie A. Webb (1) ((1) Centre d'Etude Spatiale des Rayonnements, Toulouse

arxiv:astro-ph/0303471 v2 · 2003-03-20 · 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{FHJCZDH44H5BL4NW7I7OUZLL2A}

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	2026-05-18T04:21:41.599669Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

29d22c8cfce1fa15f1b6fa3eea656bd01b8b2a84db1e27ca784c8c71d0d15fe4

Aliases

arxiv: astro-ph/0303471 · arxiv_version: astro-ph/0303471v2 · doi: 10.48550/arxiv.astro-ph/0303471 · pith_short_12: FHJCZDH44H5B · pith_short_16: FHJCZDH44H5BL4NW · pith_short_8: FHJCZDH4

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/FHJCZDH44H5BL4NW7I7OUZLL2A \
  | 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: 29d22c8cfce1fa15f1b6fa3eea656bd01b8b2a84db1e27ca784c8c71d0d15fe4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9125dcd2c69dc3e52fc312ad0e84fe3b2ed5d7c14f35b30e51439ee140ddd3c8",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-03-20T16:55:03Z",
    "title_canon_sha256": "366715cfaf067f6bed790014817d3ad3727c5c99009988aa269572a1995fbdf3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0303471",
    "kind": "arxiv",
    "version": 2
  }
}