Pith Number

pith:HZO35V5V

pith:2011:HZO35V5VJPQKZ4W44PCL4M3UKD

not attested not anchored not stored refs pending

An empirical calibration of Lick indices using Milky Way Globular Clusters

A. Pipino (Univ. Trieste, ETH Zurich), I.J. Danziger (INAF-Trieste, Univ.Trieste)

arxiv:1102.1279 v1 · 2011-02-07 · 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{HZO35V5VJPQKZ4W44PCL4M3UKD}

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	2026-05-18T02:03:16.030460Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3e5dbed7b54be0acf2dce3c4be337450edc11e742836a3f0361cb5deb309003f

Aliases

arxiv: 1102.1279 · arxiv_version: 1102.1279v1 · doi: 10.48550/arxiv.1102.1279 · pith_short_12: HZO35V5VJPQK · pith_short_16: HZO35V5VJPQKZ4W4 · pith_short_8: HZO35V5V

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/HZO35V5VJPQKZ4W44PCL4M3UKD \
  | 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: 3e5dbed7b54be0acf2dce3c4be337450edc11e742836a3f0361cb5deb309003f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "29a6c20d99436310b8ee14449e34d9c161d6211fbe4d194c92168dd39b557efd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2011-02-07T11:45:56Z",
    "title_canon_sha256": "3fcb7c8106cbab758908829fc9640e0a890fddfa57996384c469ced833fc536e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1102.1279",
    "kind": "arxiv",
    "version": 1
  }
}