Pith Number

pith:JF5X2WMP

pith:2004:JF5X2WMPWCCBFEVLX6ADVM3VJI

not attested not anchored not stored refs pending

Two clocks in the PSR J0737--3039 binary system and their implications for the system's origin and evolution

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

arxiv:astro-ph/0404274 v1 · 2004-04-14 · 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{JF5X2WMPWCCBFEVLX6ADVM3VJI}

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	2026-07-04T14:13:26.038471Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

497b7d598fb0841292abbf803ab3754a107d5aff6b832ff8bd08884c6300ae0a

Aliases

arxiv: astro-ph/0404274 · arxiv_version: astro-ph/0404274v1 · doi: 10.48550/arxiv.astro-ph/0404274 · pith_short_12: JF5X2WMPWCCB · pith_short_16: JF5X2WMPWCCBFEVL · pith_short_8: JF5X2WMP

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/JF5X2WMPWCCBFEVLX6ADVM3VJI \
  | 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: 497b7d598fb0841292abbf803ab3754a107d5aff6b832ff8bd08884c6300ae0a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f682786754c6960d602164f01cddadc30237649ad18092ab526f84711336ec11",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-04-14T13:52:27Z",
    "title_canon_sha256": "fe1ac471b8ba54fd7a9ca450f718f012eb7de7da614b8d6701f631c8d6c1bbe5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0404274",
    "kind": "arxiv",
    "version": 1
  }
}