Pith Number

pith:ZCBZXG7A

pith:2018:ZCBZXG7ASCG2UCOLG6KDS7J5SA

not attested not anchored not stored refs pending

A Chandra Survey of Milky Way Globular Clusters II: Testing the Hills-Heggie Law

Taotao Fang, Xiangdong Li, Xiaojie Xu, Zhenlin Zhu, Zhiyuan Li, Zhongqun Cheng

arxiv:1810.09614 v1 · 2018-10-23 · astro-ph.HE · 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{ZCBZXG7ASCG2UCOLG6KDS7J5SA}

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	2026-05-17T23:58:01.902489Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c8839b9be0908daa09cb3794397d3d900a0c0b7505cb4f01ae6fe23ae08161e9

Aliases

arxiv: 1810.09614 · arxiv_version: 1810.09614v1 · doi: 10.48550/arxiv.1810.09614 · pith_short_12: ZCBZXG7ASCG2 · pith_short_16: ZCBZXG7ASCG2UCOL · pith_short_8: ZCBZXG7A

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/ZCBZXG7ASCG2UCOLG6KDS7J5SA \
  | 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: c8839b9be0908daa09cb3794397d3d900a0c0b7505cb4f01ae6fe23ae08161e9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "53127be68d329c137dfa232b0d58acb188428df6ae13026291466d44c89e9335",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2018-10-23T00:50:40Z",
    "title_canon_sha256": "dbce050423dc15e6091533f6afd491264f2e9ea103e48ab85d15b11c12cc9b15"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.09614",
    "kind": "arxiv",
    "version": 1
  }
}