Pith Number

pith:CQPBW7AT

pith:2007:CQPBW7ATOQM7VAQE2AXGSLANPZ

not attested not anchored not stored refs pending

The Einstein-Varicak Correspondence on Relativistic Rigid Rotation

Tilman Sauer

arxiv:0704.0962 v1 · 2007-04-07 · physics.hist-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{CQPBW7ATOQM7VAQE2AXGSLANPZ}

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	2026-05-18T00:59:33.146213Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

141e1b7c137419fa8204d02e692c0d7e7c3329b9df61450d5050907631872364

Aliases

arxiv: 0704.0962 · arxiv_version: 0704.0962v1 · doi: 10.48550/arxiv.0704.0962 · pith_short_12: CQPBW7ATOQM7 · pith_short_16: CQPBW7ATOQM7VAQE · pith_short_8: CQPBW7AT

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/CQPBW7ATOQM7VAQE2AXGSLANPZ \
  | 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: 141e1b7c137419fa8204d02e692c0d7e7c3329b9df61450d5050907631872364

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aa29acbf159f45855b65ffc26e44e38b2750032b21f1fdcbd7e73f86623153c5",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "physics.hist-ph",
    "submitted_at": "2007-04-07T01:51:13Z",
    "title_canon_sha256": "048cfbc655bf53568ab5deb79a474f0bbf9c9791a2621ef4d64e53569e73dffa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0704.0962",
    "kind": "arxiv",
    "version": 1
  }
}