Pith Number

pith:FWONIYL7

pith:2003:FWONIYL75IPXNHGYLATYKSGQ7E

not attested not anchored not stored refs pending

Chandra Observation of the Anomalous X-ray Pulsar 1E 1841-045

Jun Kataoka, Mikio Morii, Nobuyuki Kawai, Rie Sato

arxiv:astro-ph/0303597 v1 · 2003-03-27 · 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{FWONIYL75IPXNHGYLATYKSGQ7E}

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	2026-05-18T01:40:39.155647Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2d9cd4617fea1f769cd858278548d0f91ca6cceba976d1c7f9bc4841ffed4287

Aliases

arxiv: astro-ph/0303597 · arxiv_version: astro-ph/0303597v1 · doi: 10.48550/arxiv.astro-ph/0303597 · pith_short_12: FWONIYL75IPX · pith_short_16: FWONIYL75IPXNHGY · pith_short_8: FWONIYL7

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/FWONIYL75IPXNHGYLATYKSGQ7E \
  | 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: 2d9cd4617fea1f769cd858278548d0f91ca6cceba976d1c7f9bc4841ffed4287

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "564819430db05aaee79630c289710d142c6a818e726d17805588b68a0d71f769",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-03-27T07:38:39Z",
    "title_canon_sha256": "c2fb2d6e1b3638d227242ca5308b0584b6252665b2a87a61eff5a6465f62ed91"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0303597",
    "kind": "arxiv",
    "version": 1
  }
}