Pith Number

pith:5QIT5GHM

pith:1999:5QIT5GHMXYLEAWOVEG5PJKIXGO

not attested not anchored not stored refs pending

On the Spin History of the X-ray Pulsar in Kes 73: Further Evidence For an Utramagnetized Neutron Star

E. V. Gotthelf (Columbia Univ), G. Vasisht (Caltech), T. Dotani (ISAS)

arxiv:astro-ph/9906122 v1 · 1999-06-08 · 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{5QIT5GHMXYLEAWOVEG5PJKIXGO}

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	2026-07-04T16:11:17.706919Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ec113e98ecbe164059d521baf4a91733b67d55f4b5cd4d509f76db3b2bd92f07

Aliases

arxiv: astro-ph/9906122 · arxiv_version: astro-ph/9906122v1 · doi: 10.48550/arxiv.astro-ph/9906122 · pith_short_12: 5QIT5GHMXYLE · pith_short_16: 5QIT5GHMXYLEAWOV · pith_short_8: 5QIT5GHM

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/5QIT5GHMXYLEAWOVEG5PJKIXGO \
  | 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: ec113e98ecbe164059d521baf4a91733b67d55f4b5cd4d509f76db3b2bd92f07

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "76ea874266166feb65f373a68a3a01b4485945126f1d34954181ac9412dd0d2c",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1999-06-08T00:05:22Z",
    "title_canon_sha256": "28c2beb824f1b0e617484d5909c3dbe41c79abb50967b24e037de53d7f92f5cc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9906122",
    "kind": "arxiv",
    "version": 1
  }
}