Pith Number

pith:Y23BQMGZ

pith:2012:Y23BQMGZBQM2HUXC23LF36IJ5V

not attested not anchored not stored refs pending

Cygnus X-3's Little Friend

Lynne Valencic, Michael L. McCollough, Randall K. Smith

arxiv:1211.2252 v1 · 2012-11-09 · 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{Y23BQMGZBQM2HUXC23LF36IJ5V}

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	2026-05-18T01:53:17.274837Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c6b61830d90c19a3d2e2d6d65df909ed574e9629e690a2ca143d65b85a418f25

Aliases

arxiv: 1211.2252 · arxiv_version: 1211.2252v1 · doi: 10.48550/arxiv.1211.2252 · pith_short_12: Y23BQMGZBQM2 · pith_short_16: Y23BQMGZBQM2HUXC · pith_short_8: Y23BQMGZ

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/Y23BQMGZBQM2HUXC23LF36IJ5V \
  | 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: c6b61830d90c19a3d2e2d6d65df909ed574e9629e690a2ca143d65b85a418f25

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "202578ca0828f8591176de1a3c6ccb79fccd0ff7e9ef4f914daaba206a8b0179",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2012-11-09T21:35:47Z",
    "title_canon_sha256": "3ef0f2a43ca31cd9bf6987c021f8f06ca45d188de7311eb55924bea8c0cc7353"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1211.2252",
    "kind": "arxiv",
    "version": 1
  }
}