Pith Number

pith:7FFPYBZA

pith:2018:7FFPYBZAPYXZFBYDO6WRZOOCSR

not attested not anchored not stored refs pending

How initial size governs core collapse in globular clusters

Carl L. Rodriguez, Claire S. Ye, Frederic A. Rasio, Kyle Kremer, Sourav Chatterjee

arxiv:1808.02204 v2 · 2018-08-07 · astro-ph.GA · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7FFPYBZAPYXZFBYDO6WRZOOCSR}

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	2026-05-17T23:55:20.179532Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f94afc07207e2f92870377ad1cb9c29468dfc744688a309e62b9712bd929ad46

Aliases

arxiv: 1808.02204 · arxiv_version: 1808.02204v2 · doi: 10.48550/arxiv.1808.02204 · pith_short_12: 7FFPYBZAPYXZ · pith_short_16: 7FFPYBZAPYXZFBYD · pith_short_8: 7FFPYBZA

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/7FFPYBZAPYXZFBYDO6WRZOOCSR \
  | 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: f94afc07207e2f92870377ad1cb9c29468dfc744688a309e62b9712bd929ad46

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "82a9b6c46157581a0a3a91a25c965bfaef668ed8e5f976703a3969ed7aef911a",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-08-07T04:08:40Z",
    "title_canon_sha256": "d29a2dafe69738ffccc13e8599d38bcea521848c9a93c5c17d539e7e35bfff99"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.02204",
    "kind": "arxiv",
    "version": 2
  }
}