Pith Number

pith:RCPB7JFO

pith:2001:RCPB7JFOHVCZDWTQBMOFTYIKZT

not attested not anchored not stored refs pending

Pulsar Timing Observations and Tests of General Relativity in Double-Neutron-Star Binaries

I.H. Stairs (University of Manchester, Jodrell Bank Observatory, UK)

arxiv:astro-ph/0105090 v1 · 2001-05-04 · 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{RCPB7JFOHVCZDWTQBMOFTYIKZT}

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	2026-05-18T00:37:01.030517Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

889e1fa4ae3d4591da700b1c59e10accd32243bc274f21028175e905a0f160c1

Aliases

arxiv: astro-ph/0105090 · arxiv_version: astro-ph/0105090v1 · doi: 10.48550/arxiv.astro-ph/0105090 · pith_short_12: RCPB7JFOHVCZ · pith_short_16: RCPB7JFOHVCZDWTQ · pith_short_8: RCPB7JFO

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/RCPB7JFOHVCZDWTQBMOFTYIKZT \
  | 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: 889e1fa4ae3d4591da700b1c59e10accd32243bc274f21028175e905a0f160c1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ae6de7a40dadfaf98ba8fc7a92705bf9546e8b422aebc6506e82d2bd003a3b0c",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2001-05-04T23:16:48Z",
    "title_canon_sha256": "0d45dc34d021c07e44d19952fead198339be9071ece365f67875916fc20a3558"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0105090",
    "kind": "arxiv",
    "version": 1
  }
}