Pith Number

pith:IJHMKV3G

pith:1999:IJHMKV3GU6DDBPCGBT5ES3F2PZ

not attested not anchored not stored refs pending

Discovery of an X-Ray Pulsar in the SMC: AX J0058-7203

2), Jun Yokogawa (1), Katsuji Koyama(1, Kensuke Imanishi (1), Masahiro Tsujimoto (1)

arxiv:astro-ph/9910505 v1 · 1999-10-28 · 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{IJHMKV3GU6DDBPCGBT5ES3F2PZ}

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	2026-05-18T01:40:12.488847Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

424ec55766a78630bc460cfa496cba7e60fc29edc1cc1a5a872478114e1a92b5

Aliases

arxiv: astro-ph/9910505 · arxiv_version: astro-ph/9910505v1 · doi: 10.48550/arxiv.astro-ph/9910505 · pith_short_12: IJHMKV3GU6DD · pith_short_16: IJHMKV3GU6DDBPCG · pith_short_8: IJHMKV3G

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/IJHMKV3GU6DDBPCGBT5ES3F2PZ \
  | 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: 424ec55766a78630bc460cfa496cba7e60fc29edc1cc1a5a872478114e1a92b5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2b23d731af051845a24267bc923920910002a6de0df1efe62e8573d62942198b",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1999-10-28T06:43:33Z",
    "title_canon_sha256": "f49cca81ffc60aa8ed1c4e9c0854796f60d3829bd0e211ee1e914f2363818e7a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9910505",
    "kind": "arxiv",
    "version": 1
  }
}