Pith Number

pith:K2PL4C2O

pith:2012:K2PL4C2OVEJ3GWWQ66YPXOKFGN

not attested not anchored not stored refs pending

X-ray sources in Galactic old open star clusters

Maureen van den Berg

arxiv:1211.6133 v1 · 2012-11-26 · astro-ph.HE · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{K2PL4C2OVEJ3GWWQ66YPXOKFGN}

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	2026-05-18T03:39:52.498426Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

569ebe0b4ea913b35ad0f7b0fbb945335edf5ad51b7a9bd6daffe3b315238193

Aliases

arxiv: 1211.6133 · arxiv_version: 1211.6133v1 · doi: 10.48550/arxiv.1211.6133 · pith_short_12: K2PL4C2OVEJ3 · pith_short_16: K2PL4C2OVEJ3GWWQ · pith_short_8: K2PL4C2O

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/K2PL4C2OVEJ3GWWQ66YPXOKFGN \
  | 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: 569ebe0b4ea913b35ad0f7b0fbb945335edf5ad51b7a9bd6daffe3b315238193

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8cefd3ac61159bf834ec54e8cb3d9219a97d1b4336cdb00c7a40c4bbc0824c00",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2012-11-26T21:18:34Z",
    "title_canon_sha256": "464cc9e36590783306c5287ce823df8c46bf70507ace66d592b2c7faec8de9cf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1211.6133",
    "kind": "arxiv",
    "version": 1
  }
}