Pith Number

pith:G52NJMLD

pith:2012:G52NJMLDAYVWKFM5EVLSQFAQ2E

not attested not anchored not stored refs pending

Binary pulsar B1259-63 spectrum evolution: detailed study

Jaros{\l}aw Kijak, Marta Dembska, Wojciech Lewandowski

arxiv:1212.0503 v1 · 2012-12-03 · astro-ph.SR · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{G52NJMLDAYVWKFM5EVLSQFAQ2E}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T01:52:48.238397Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3774d4b163062b65159d2557281410d1039a74dc500a4d95ff6c2d466b44542c

Aliases

arxiv: 1212.0503 · arxiv_version: 1212.0503v1 · doi: 10.48550/arxiv.1212.0503 · pith_short_12: G52NJMLDAYVW · pith_short_16: G52NJMLDAYVWKFM5 · pith_short_8: G52NJMLD

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/G52NJMLDAYVWKFM5EVLSQFAQ2E \
  | 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: 3774d4b163062b65159d2557281410d1039a74dc500a4d95ff6c2d466b44542c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0f63c184d708e87d421251c8bbb19c4e81f76c2d1b7a12fea2f624c7b9054f12",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2012-12-03T19:35:46Z",
    "title_canon_sha256": "2287d73b015330c89690d1a0ea4f6d4296a80b962a28fecaf4dd4f0982dd3dba"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1212.0503",
    "kind": "arxiv",
    "version": 1
  }
}