Pith Number

pith:GP2HPNIR

pith:2000:GP2HPNIRJXCZ4KNL4W3Z5QP4UC

not attested not anchored not stored refs pending

New Clock Comparison Searches for Lorentz and CPT Violation

David Bear, David F. Phillips, Edward M. Mattison, Marc Humphrey, Richard E. Stoner, Robert F. C. Vessot, Ronald L. Walsworth

arxiv:physics/0007063 v1 · 2000-07-18 · physics.atom-ph · hep-ex · hep-ph · physics.gen-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{GP2HPNIRJXCZ4KNL4W3Z5QP4UC}

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	2026-05-18T04:35:15.240784Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

33f477b5114dc59e29abe5b79ec1fca09b57cd177420fb2c3e0d2fa2e38986fe

Aliases

arxiv: physics/0007063 · arxiv_version: physics/0007063v1 · doi: 10.48550/arxiv.physics/0007063 · pith_short_12: GP2HPNIRJXCZ · pith_short_16: GP2HPNIRJXCZ4KNL · pith_short_8: GP2HPNIR

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/GP2HPNIRJXCZ4KNL4W3Z5QP4UC \
  | 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: 33f477b5114dc59e29abe5b79ec1fca09b57cd177420fb2c3e0d2fa2e38986fe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "83a295f66efc5931a19cc172fa55fb900c836ada423b10787382517230693d52",
    "cross_cats_sorted": [
      "hep-ex",
      "hep-ph",
      "physics.gen-ph"
    ],
    "license": "",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2000-07-18T19:15:48Z",
    "title_canon_sha256": "5bb71a6ad407a02b7d2d2e9af557b659d9fb313dbbafc777019e383258f786e4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "physics/0007063",
    "kind": "arxiv",
    "version": 1
  }
}