Pith Number

pith:C5CJR7KC

pith:2007:C5CJR7KC7OCU7IONUVQI5YMXD7

not attested not anchored not stored refs pending

Variable stars across the observational HR diagram

Laurent Eyer, Nami Mowlavi

arxiv:0712.3797 v1 · 2007-12-21 · 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{C5CJR7KC7OCU7IONUVQI5YMXD7}

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	2026-07-04T15:30:50.927351Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

174498fd42fb854fa1cda5608ee1971fde00558c84f89133984b8aab02333fcf

Aliases

arxiv: 0712.3797 · arxiv_version: 0712.3797v1 · doi: 10.48550/arxiv.0712.3797 · pith_short_12: C5CJR7KC7OCU · pith_short_16: C5CJR7KC7OCU7ION · pith_short_8: C5CJR7KC

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/C5CJR7KC7OCU7IONUVQI5YMXD7 \
  | 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: 174498fd42fb854fa1cda5608ee1971fde00558c84f89133984b8aab02333fcf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5f3f49283528b91467457300bf14bf54b54d5055d55c23af7e86cdbd7c8a9af7",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-12-21T21:08:02Z",
    "title_canon_sha256": "290d4d3903cac9c6a75f1bf97d8b63bf98f93bc9b62807d4cc52db1e87794c8d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0712.3797",
    "kind": "arxiv",
    "version": 1
  }
}