Pith Number

pith:YS4K23TM

pith:2013:YS4K23TMTCB3FZIEO36CVVL775

not attested not anchored not stored refs pending

A Binary Study of Colour-Magnitude Diagrams of 12 Globular Clusters

Caiyan Mao, Maocai Li, Ruheng LI, Ruxi LI, Zhongmu Li

arxiv:1302.0102 v1 · 2013-02-01 · 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{YS4K23TMTCB3FZIEO36CVVL775}

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	2026-05-18T01:51:51.533580Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c4b8ad6e6c9883b2e50476fc2ad57fff446bde85d11dcc5c024727e438b66f9a

Aliases

arxiv: 1302.0102 · arxiv_version: 1302.0102v1 · doi: 10.48550/arxiv.1302.0102 · pith_short_12: YS4K23TMTCB3 · pith_short_16: YS4K23TMTCB3FZIE · pith_short_8: YS4K23TM

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/YS4K23TMTCB3FZIEO36CVVL775 \
  | 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: c4b8ad6e6c9883b2e50476fc2ad57fff446bde85d11dcc5c024727e438b66f9a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "80dfc63582f7d8d640cae3fea56ac52e59b2061bf1e519e80bdcb62790c3d337",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-02-01T07:48:32Z",
    "title_canon_sha256": "01aa82806e41f59e663b894e874cda9eba378db49e865a4ec5878a4d96789710"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.0102",
    "kind": "arxiv",
    "version": 1
  }
}