Pith Number

pith:OC4NVBGY

pith:2013:OC4NVBGY67BQ246T2FESCGHSCY

not attested not anchored not stored refs pending

NGC 1252: a high altitude, metal poor open cluster remnant

C. de la Fuente Marcos, C. Moni Bidin, E. Costa, G. Carraro, R. de la Fuente Marcos

arxiv:1306.1643 v2 · 2013-06-07 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OC4NVBGY67BQ246T2FESCGHSCY}

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	2026-05-18T03:12:32.708328Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

70b8da84d8f7c30d73d3d1492118f2163f67ead508d9f0a2ce884035757ec140

Aliases

arxiv: 1306.1643 · arxiv_version: 1306.1643v2 · doi: 10.48550/arxiv.1306.1643 · pith_short_12: OC4NVBGY67BQ · pith_short_16: OC4NVBGY67BQ246T · pith_short_8: OC4NVBGY

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/OC4NVBGY67BQ246T2FESCGHSCY \
  | 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: 70b8da84d8f7c30d73d3d1492118f2163f67ead508d9f0a2ce884035757ec140

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b6775372c95bf230d8f10f2f0b3ff1fce3bef9f45e17cc652d279b6af6d39c8c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2013-06-07T07:56:44Z",
    "title_canon_sha256": "76e965dd348ce765d1461546a2cb9836b2427e7c9510fca8351af90d219fbaf5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1306.1643",
    "kind": "arxiv",
    "version": 2
  }
}