Pith Number

pith:CLNB5KWZ

pith:2011:CLNB5KWZRESX7DBUJLDM7PMTLZ

not attested not anchored not stored refs pending

OJ 287 binary black hole system

Mauri Valtonen, Stefano Ciprini

arxiv:1112.1162 v1 · 2011-12-06 · astro-ph.HE

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CLNB5KWZRESX7DBUJLDM7PMTLZ}

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	2026-05-18T02:21:27.937920Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

12da1eaad989257f8c344ac6cfbd935e4d0975a59aa36e4bb35ce4b93c0b7916

Aliases

arxiv: 1112.1162 · arxiv_version: 1112.1162v1 · doi: 10.48550/arxiv.1112.1162 · pith_short_12: CLNB5KWZRESX · pith_short_16: CLNB5KWZRESX7DBU · pith_short_8: CLNB5KWZ

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/CLNB5KWZRESX7DBUJLDM7PMTLZ \
  | 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: 12da1eaad989257f8c344ac6cfbd935e4d0975a59aa36e4bb35ce4b93c0b7916

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ffbb83641b9fb51cfd8e98100f0a254c50b91236d08f438dcbf1323b8d356f5d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2011-12-06T05:34:14Z",
    "title_canon_sha256": "8eccfb03401951610dee1a2bccff9e60204d63b511988bf9497aaf73beb9551a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1112.1162",
    "kind": "arxiv",
    "version": 1
  }
}