Pith Number

pith:WW2RFFAA

pith:2000:WW2RFFAA2T4JUP7UO6BETDGB5C

not attested not anchored not stored refs pending

The 1997 periastron passage of the binary pulsar PSR B1259-63

A.G. Lyne, L. Nicastro, N. Wex, R. N. Manchester, Simon Johnston

arxiv:astro-ph/0008256 v1 · 2000-08-16 · 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{WW2RFFAA2T4JUP7UO6BETDGB5C}

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	2026-07-04T16:17:03.036715Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b5b5129400d4f89a3ff47782498cc1e88828d9e99680c224051054f6ba67fc82

Aliases

arxiv: astro-ph/0008256 · arxiv_version: astro-ph/0008256v1 · doi: 10.48550/arxiv.astro-ph/0008256 · pith_short_12: WW2RFFAA2T4J · pith_short_16: WW2RFFAA2T4JUP7U · pith_short_8: WW2RFFAA

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/WW2RFFAA2T4JUP7UO6BETDGB5C \
  | 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: b5b5129400d4f89a3ff47782498cc1e88828d9e99680c224051054f6ba67fc82

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7730b057e4ba4a44b612088b0ec50b3a519ec79be86866b94bc806ba4a66e73c",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2000-08-16T23:24:21Z",
    "title_canon_sha256": "6b1426079c52d45b2966cc0d43e8fbf55c4f71412e5f1c93c6c08063a6a92f47"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0008256",
    "kind": "arxiv",
    "version": 1
  }
}