Pith Number

pith:WXFFZF7H

pith:2005:WXFFZF7HSGH37VCGD4OA7LZMGK

not attested not anchored not stored refs pending

Test of the isotropy of the speed of light using a continuously rotating optical resonator

Achim Peters, Alexander Senger, Evgeny Kovalchuk, Holger M\"uller, Sven Herrmann

arxiv:physics/0508097 v1 · 2005-08-15 · physics.class-ph · hep-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{WXFFZF7HSGH37VCGD4OA7LZMGK}

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	2026-05-18T01:08:46.917853Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b5ca5c97e7918fbfd4461f1c0faf2c329300d8bd8d7c80426f2a356e6c5c8dd1

Aliases

arxiv: physics/0508097 · arxiv_version: physics/0508097v1 · doi: 10.48550/arxiv.physics/0508097 · pith_short_12: WXFFZF7HSGH3 · pith_short_16: WXFFZF7HSGH37VCG · pith_short_8: WXFFZF7H

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/WXFFZF7HSGH37VCGD4OA7LZMGK \
  | 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: b5ca5c97e7918fbfd4461f1c0faf2c329300d8bd8d7c80426f2a356e6c5c8dd1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0f0ef53dcb1bf92272d60f6375a32afba7bb8bf819cb1829043198ed365268c1",
    "cross_cats_sorted": [
      "hep-ph"
    ],
    "license": "",
    "primary_cat": "physics.class-ph",
    "submitted_at": "2005-08-15T14:53:04Z",
    "title_canon_sha256": "28380c8eb008e6007edb2aa05f22be464c919b67905ad56345b9e6e657d3ce5e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "physics/0508097",
    "kind": "arxiv",
    "version": 1
  }
}