Pith Number

pith:UJAF33W3

pith:1995:UJAF33W3ZKSACTVLAXT43MR5DR

not attested not anchored not stored refs pending

The Tinsley Diagram Revisited

Kayll Lake (Queen's University, Kingston, Ontario), Stephen Leonard

arxiv:astro-ph/9501023 v1 · 1995-01-09 · 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{UJAF33W3ZKSACTVLAXT43MR5DR}

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	2026-05-18T01:07:42.806235Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a2405deedbcaa4014eab05e7cdb23d1c482d3fba87ef7c282cde5ecf03d86401

Aliases

arxiv: astro-ph/9501023 · arxiv_version: astro-ph/9501023v1 · doi: 10.48550/arxiv.astro-ph/9501023 · pith_short_12: UJAF33W3ZKSA · pith_short_16: UJAF33W3ZKSACTVL · pith_short_8: UJAF33W3

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/UJAF33W3ZKSACTVLAXT43MR5DR \
  | 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: a2405deedbcaa4014eab05e7cdb23d1c482d3fba87ef7c282cde5ecf03d86401

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "32aaec5d798df762401a56acc6e2a125942f2b2f953986073ddf705ad80964f4",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1995-01-09T20:55:55Z",
    "title_canon_sha256": "460ed6422aaaf5ea478c61392f841f96c50d73a3369a14c43aafca9aed62a8b2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9501023",
    "kind": "arxiv",
    "version": 1
  }
}