Pith Number

pith:OSZ7EUXL

pith:2011:OSZ7EUXLU6G4RLDQ6INRKQXUDO

not attested not anchored not stored refs pending

The star formation history of the Large Magellanic Cloud star cluster NGC1751

Leandro Kerber, Leo Girardi, Paul Goudfrooij, Stefano Rubele, Vera Kozhurina-Platais

arxiv:1102.2814 v1 · 2011-02-14 · astro-ph.SR · 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{OSZ7EUXLU6G4RLDQ6INRKQXUDO}

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	2026-05-18T03:36:27.134557Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

74b3f252eba78dc8ac70f21b1542f41b86d86c7ddb952827ae34191982e4992f

Aliases

arxiv: 1102.2814 · arxiv_version: 1102.2814v1 · doi: 10.48550/arxiv.1102.2814 · pith_short_12: OSZ7EUXLU6G4 · pith_short_16: OSZ7EUXLU6G4RLDQ · pith_short_8: OSZ7EUXL

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/OSZ7EUXLU6G4RLDQ6INRKQXUDO \
  | 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: 74b3f252eba78dc8ac70f21b1542f41b86d86c7ddb952827ae34191982e4992f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d182d74e04b6e6f965d629b452b06fbf9f4cb25c9a4a35bbe9ac358eac9d78bc",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-02-14T16:17:02Z",
    "title_canon_sha256": "de1a3d50ce8b4cd18231065037c1ef5fff48b5811ac5df0d2f85e8faf3356bad"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1102.2814",
    "kind": "arxiv",
    "version": 1
  }
}