Pith Number

pith:3LPTACNR

pith:2005:3LPTACNRG3NSSTEUQJH2A6IIJD

not attested not anchored not stored refs pending

On the nature of the radio quiet X-ray neutron star 1E 1207.4-5209

Biping Gong, G.F. Bignami

arxiv:astro-ph/0503602 v2 · 2005-03-29 · 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{3LPTACNRG3NSSTEUQJH2A6IIJD}

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	2026-07-04T14:49:54.342156Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dadf3009b136db294c94824fa0790848ccb7d2fa52839cd8aa67a16ded6433aa

Aliases

arxiv: astro-ph/0503602 · arxiv_version: astro-ph/0503602v2 · doi: 10.48550/arxiv.astro-ph/0503602 · pith_short_12: 3LPTACNRG3NS · pith_short_16: 3LPTACNRG3NSSTEU · pith_short_8: 3LPTACNR

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/3LPTACNRG3NSSTEUQJH2A6IIJD \
  | 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: dadf3009b136db294c94824fa0790848ccb7d2fa52839cd8aa67a16ded6433aa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "405f8f0e1505ea69c670948a930ffc8a8c8c2e37c0ba53ea2c4b55d102c77e1e",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-03-29T00:26:58Z",
    "title_canon_sha256": "aae9fab5b575e204320746cb12c3172ba84a0f4fdbc0e49280bb127d087a2dd9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0503602",
    "kind": "arxiv",
    "version": 2
  }
}