Pith Number

pith:OSBOBZ6O

pith:2005:OSBOBZ6OA7CF5FY5EXSEAIGYAO

not attested not anchored not stored refs pending

The Non-Homologous Nature of Solar Diameter Variations

Gerard Thuillier (Service d'A\'eronomie du CNRS), Linghuai Li (Yale), Pierre Demarque, Sabatino Sofia, Sarbani Basu

arxiv:astro-ph/0509816 v1 · 2005-09-27 · 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{OSBOBZ6OA7CF5FY5EXSEAIGYAO}

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	2026-05-18T01:08:58.885644Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7482e0e7ce07c45e971d25e44020d803a090b74bc0b7934688b254d23c339a5d

Aliases

arxiv: astro-ph/0509816 · arxiv_version: astro-ph/0509816v1 · doi: 10.48550/arxiv.astro-ph/0509816 · pith_short_12: OSBOBZ6OA7CF · pith_short_16: OSBOBZ6OA7CF5FY5 · pith_short_8: OSBOBZ6O

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/OSBOBZ6OA7CF5FY5EXSEAIGYAO \
  | 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: 7482e0e7ce07c45e971d25e44020d803a090b74bc0b7934688b254d23c339a5d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2ae077b8ca34325bb403b88783a3879b2e75647b3ebcf25cd816326f10d16309",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-09-27T19:06:21Z",
    "title_canon_sha256": "d661f9bd5b2e3a06ffd2eb0c58a3818da4f03bc6c0b02d50161e8d407a45f304"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0509816",
    "kind": "arxiv",
    "version": 1
  }
}