Pith Number

pith:4PLOZMMS

pith:2003:4PLOZMMSOGQZMNCMQ5N2FP5K75

not attested not anchored not stored refs pending

Gamma-rays and cosmic-rays from a pulsar in Cygnus OB2

Lodz, Poland), W. Bednarek (University of Lodz

arxiv:astro-ph/0307216 v1 · 2003-07-10 · 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{4PLOZMMSOGQZMNCMQ5N2FP5K75}

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	2026-07-04T16:52:08.625610Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e3d6ecb19271a196344c875ba2bfaaff6d953b90fdfc5c05cdc7023f198a8031

Aliases

arxiv: astro-ph/0307216 · arxiv_version: astro-ph/0307216v1 · doi: 10.48550/arxiv.astro-ph/0307216 · pith_short_12: 4PLOZMMSOGQZ · pith_short_16: 4PLOZMMSOGQZMNCM · pith_short_8: 4PLOZMMS

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/4PLOZMMSOGQZMNCMQ5N2FP5K75 \
  | 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: e3d6ecb19271a196344c875ba2bfaaff6d953b90fdfc5c05cdc7023f198a8031

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5a4e4750c2fd2c58ed706511073e3aef6c13e28f88fb6a9ee6bf5a44d2e5a300",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-07-10T16:05:36Z",
    "title_canon_sha256": "9be2b918d07a3c7f0ab329cab583eb745329aa8eb32729c4be7aabdb6e41845c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0307216",
    "kind": "arxiv",
    "version": 1
  }
}