Pith Number

pith:CXTCPXIP

pith:2012:CXTCPXIPV5W3RC22LE7ZSVPUSI

not attested not anchored not stored refs pending

Results of the First IPTA Closed Mock Data Challenge

Justin Ellis, Sydney Chamberlin, Xavier Siemens

arxiv:1210.5274 v2 · 2012-10-18 · astro-ph.IM · astro-ph.CO · physics.data-an

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CXTCPXIPV5W3RC22LE7ZSVPUSI}

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	2026-05-18T03:42:10.861902Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

15e627dd0faf6db88b5a593f9955f49201a1246c876eb1328d2b66ce8f728140

Aliases

arxiv: 1210.5274 · arxiv_version: 1210.5274v2 · doi: 10.48550/arxiv.1210.5274 · pith_short_12: CXTCPXIPV5W3 · pith_short_16: CXTCPXIPV5W3RC22 · pith_short_8: CXTCPXIP

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/CXTCPXIPV5W3RC22LE7ZSVPUSI \
  | 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: 15e627dd0faf6db88b5a593f9955f49201a1246c876eb1328d2b66ce8f728140

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3a8e479fb7c2db892abc3962ba02f639ce223bb9445005544ddaab16a32a5854",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "physics.data-an"
    ],
    "license": "http://creativecommons.org/licenses/publicdomain/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2012-10-18T22:47:48Z",
    "title_canon_sha256": "25ae2f490012802b4ed80d8559f2a7f3470bb2344c70b11289b7bf53cd1363fc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.5274",
    "kind": "arxiv",
    "version": 2
  }
}