Pith Number

pith:HRNKOKIA

pith:2004:HRNKOKIAV5CSOV4YRSOSRQDF2T

not attested not anchored not stored refs pending

The Double Pulsar System J0737-3039: Modulation of A by B at eclipse

A. G. Lyne, A. Possenti, B. C. Joshi & N. D. R. Bhat, D. R. Lorimer, F. Camilo, I. H. Stairs, M. A. McLaughlin, M. Burgay, M. Kramer, N. d'Amico, P. C. C. Freire, R. N. Manchester

arxiv:astro-ph/0408297 v3 · 2004-08-17 · 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{HRNKOKIAV5CSOV4YRSOSRQDF2T}

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	2026-07-04T16:44:30.016112Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3c5aa72900af452757988c9d28c065d4c3c736ea801da8016f3a886d739e1342

Aliases

arxiv: astro-ph/0408297 · arxiv_version: astro-ph/0408297v3 · doi: 10.48550/arxiv.astro-ph/0408297 · pith_short_12: HRNKOKIAV5CS · pith_short_16: HRNKOKIAV5CSOV4Y · pith_short_8: HRNKOKIA

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/HRNKOKIAV5CSOV4YRSOSRQDF2T \
  | 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: 3c5aa72900af452757988c9d28c065d4c3c736ea801da8016f3a886d739e1342

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f779f2cd71fb4840346b766f2cfad6ea15f358afc27f17b023e4cd2aa609d40a",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-08-17T02:13:01Z",
    "title_canon_sha256": "c6bcd5c23f415585009ba8a96a9631056a297f42847f4b0bb1742d34046a96f3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0408297",
    "kind": "arxiv",
    "version": 3
  }
}