Pith Number

pith:F26BLTIO

pith:2000:F26BLTIONCC5TWZVYKMREQ37ET

not attested not anchored not stored refs pending

Discovery of a 9-s X-Ray Pulsar, AX J0049-732, in the Small Magellanic Cloud

Jun Yokogawa, Katsuji Koyama (Kyoto University), Kensuke Imanishi, Masaru Ueno

arxiv:astro-ph/0012342 v1 · 2000-12-15 · 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{F26BLTIONCC5TWZVYKMREQ37ET}

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	2026-05-18T01:40:45.154237Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2ebc15cd0e6885d9db35c29912437f24c15864dd06ba069e23b41528bce8f206

Aliases

arxiv: astro-ph/0012342 · arxiv_version: astro-ph/0012342v1 · doi: 10.48550/arxiv.astro-ph/0012342 · pith_short_12: F26BLTIONCC5 · pith_short_16: F26BLTIONCC5TWZV · pith_short_8: F26BLTIO

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/F26BLTIONCC5TWZVYKMREQ37ET \
  | 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: 2ebc15cd0e6885d9db35c29912437f24c15864dd06ba069e23b41528bce8f206

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2ce2a80d6083b7cf048422647a88f25027a1e21bf653980660e8aa4474de87a3",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2000-12-15T03:23:17Z",
    "title_canon_sha256": "3d476784922ad14b562541fb5db79b7891e86b5f86e737c24e2e023201cb64b0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0012342",
    "kind": "arxiv",
    "version": 1
  }
}