Pith Number

pith:2OMQUPMF

pith:2026:2OMQUPMFWBU2YMA5MWILMSZL2N

not attested not anchored not stored refs pending

Analyses on Christoph Clavius' Reports of Total Solar Eclipses in 1560 and 1567: Key References for the Centennial Variations of the Earth's Rotation Speed and the Solar Radius

Alexei A. Pevtsov, Hisashi Hayakawa, Jean-Pierre Rozelot, Koji Murata, Lucie M. Green, Mitsuru S\^oma, Stanislav Gun\'ar

arxiv:2607.02347 v1 · 2026-07-02 · astro-ph.SR · physics.geo-ph · physics.hist-ph · physics.space-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{2OMQUPMFWBU2YMA5MWILMSZL2N}

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	2026-07-03T01:17:49.079610Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d3990a3d85b069ac301d6590b64b2bd3469c502e5cfbd91b61cb2a32bfe18373

Aliases

arxiv: 2607.02347 · arxiv_version: 2607.02347v1 · doi: 10.48550/arxiv.2607.02347 · pith_short_12: 2OMQUPMFWBU2 · pith_short_16: 2OMQUPMFWBU2YMA5 · pith_short_8: 2OMQUPMF

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/2OMQUPMFWBU2YMA5MWILMSZL2N \
  | 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: d3990a3d85b069ac301d6590b64b2bd3469c502e5cfbd91b61cb2a32bfe18373

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "126154571071ef0d3314eb30493bedde132919b43e707bd2cb4e92d23e47f40a",
    "cross_cats_sorted": [
      "physics.geo-ph",
      "physics.hist-ph",
      "physics.space-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2026-07-02T15:51:04Z",
    "title_canon_sha256": "b9727ef3a0e13f33dac74e4fa30af2318873e36b74a8bff306a24ff59f94bd58"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.02347",
    "kind": "arxiv",
    "version": 1
  }
}