Pith Number

pith:23UEWTVM

pith:2004:23UEWTVMC7BCVJAQARPTM6VRPM

not attested not anchored not stored refs pending

Sagnac effect and pure geometry

A. Tartaglia, M.L. Ruggiero

arxiv:gr-qc/0401005 v3 · 2004-01-05 · gr-qc

Open paper page JSON Open Graph Bundle Merged state What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{23UEWTVMC7BCVJAQARPTM6VRPM}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T02:38:01.089639Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d6e84b4eac17c22aa410045f367ab17b0d53cc7223fbe13f44c790fee71fb5d5

Aliases

arxiv: gr-qc/0401005 · arxiv_version: gr-qc/0401005v3 · doi: 10.48550/arxiv.gr-qc/0401005 · pith_short_12: 23UEWTVMC7BC · pith_short_16: 23UEWTVMC7BCVJAQ · pith_short_8: 23UEWTVM

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/23UEWTVMC7BCVJAQARPTM6VRPM \
  | 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: d6e84b4eac17c22aa410045f367ab17b0d53cc7223fbe13f44c790fee71fb5d5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "62e2cdeb0145df730822862e279dc0d49cf24bb87240b78af3e79749f2526800",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2004-01-05T11:15:16Z",
    "title_canon_sha256": "a64e765bc17faf179dd25e0891214f916159d1df510032ec7838c0e4d9f15659"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/0401005",
    "kind": "arxiv",
    "version": 3
  }
}