Pith Number

pith:LH5AV6W4

pith:2003:LH5AV6W42JGQEZ3L2MCCOEBPK5

not attested not anchored not stored refs pending

Out of the Chorus Line : What Makes 1E1207.4-5209 a Unique Object?

A. De Luca, G. Bignami, M. Moroni, P.A. Caraveo, R. Mignani, S. Mereghetti

arxiv:astro-ph/0310177 v1 · 2003-10-07 · 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{LH5AV6W42JGQEZ3L2MCCOEBPK5}

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	2026-07-04T14:13:03.704628Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

59fa0afadcd24d02676bd30427102f577e3a2d21272d41ba7f7010b6d5488c68

Aliases

arxiv: astro-ph/0310177 · arxiv_version: astro-ph/0310177v1 · doi: 10.48550/arxiv.astro-ph/0310177 · pith_short_12: LH5AV6W42JGQ · pith_short_16: LH5AV6W42JGQEZ3L · pith_short_8: LH5AV6W4

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/LH5AV6W42JGQEZ3L2MCCOEBPK5 \
  | 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: 59fa0afadcd24d02676bd30427102f577e3a2d21272d41ba7f7010b6d5488c68

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f376668a23c64b530892f80f27b187d7e25c701bbfd308bf485d26cfa9805583",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-10-07T14:39:42Z",
    "title_canon_sha256": "79ca5403537d7f473046917e5e7a28961e3a3a76bda6ba5fb368f90a59bac69b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0310177",
    "kind": "arxiv",
    "version": 1
  }
}