Pith Number

pith:PYYQGJ7H

pith:1996:PYYQGJ7HLGJC7E4DUJXBOXRMJB

not attested not anchored not stored refs pending

Finite Mass Isothermal Spheres and the Structure of Globular Clusters

Denmark), Jes Madsen (University of Aarhus

arxiv:astro-ph/9601123 v1 · 1996-01-23 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PYYQGJ7HLGJC7E4DUJXBOXRMJB}

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	2026-05-18T01:40:21.938820Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7e310327e759922f9383a26e175e2c48474dc8084b2b2d41a2d1bf8516ae98c8

Aliases

arxiv: astro-ph/9601123 · arxiv_version: astro-ph/9601123v1 · doi: 10.48550/arxiv.astro-ph/9601123 · pith_short_12: PYYQGJ7HLGJC · pith_short_16: PYYQGJ7HLGJC7E4D · pith_short_8: PYYQGJ7H

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/PYYQGJ7HLGJC7E4DUJXBOXRMJB \
  | 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: 7e310327e759922f9383a26e175e2c48474dc8084b2b2d41a2d1bf8516ae98c8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "793f07f2bb0b88903b0001817fd769035bbbfcee81b85e78a4ce4f7baf6b7696",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1996-01-23T14:20:35Z",
    "title_canon_sha256": "e82ef99ff6c5392d51db902072dec461eea4686d4c1ac3aad622f0573e23bfaf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9601123",
    "kind": "arxiv",
    "version": 1
  }
}