Pith Number

pith:PEDYEXKH

pith:2009:PEDYEXKHCO3WQEJ2V6Y7IIQPS7

not attested not anchored not stored refs pending

Thomas rotation and Mocanu paradox -- not at all paradoxical

Z.K. Silagadze

arxiv:0907.4482 v1 · 2009-07-26 · physics.class-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{PEDYEXKHCO3WQEJ2V6Y7IIQPS7}

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	2026-05-18T03:57:13.068146Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7907825d4713b768113aafb1f4220f97ec1b762d2e07653f7201642abd8b38cf

Aliases

arxiv: 0907.4482 · arxiv_version: 0907.4482v1 · doi: 10.48550/arxiv.0907.4482 · pith_short_12: PEDYEXKHCO3W · pith_short_16: PEDYEXKHCO3WQEJ2 · pith_short_8: PEDYEXKH

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/PEDYEXKHCO3WQEJ2V6Y7IIQPS7 \
  | 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: 7907825d4713b768113aafb1f4220f97ec1b762d2e07653f7201642abd8b38cf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3a863e864001555c3f6bb5b8088b92746c7533e0ec1ec67329c46cacfd86b08c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.class-ph",
    "submitted_at": "2009-07-26T13:44:09Z",
    "title_canon_sha256": "072cfd2286c3bd3a7dc499c80b33daa07dac70b0d1f2671efb6d41f973fa24bb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0907.4482",
    "kind": "arxiv",
    "version": 1
  }
}