Pith Number

pith:VVFO5RVT

pith:2014:VVFO5RVTLZP5NMU3PMW7N7KXPZ

not attested not anchored not stored refs pending

On measurement of the isotropy of the speed of light

B. Wojtsekhowski

arxiv:1409.6373 v3 · 2014-09-22 · physics.ins-det · gr-qc · physics.space-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{VVFO5RVTLZP5NMU3PMW7N7KXPZ}

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	2026-05-18T01:41:58.901975Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ad4aeec6b35e5fd6b29b7b2df6fd577e728f5afce8dab22256e9b20bfecccb1d

Aliases

arxiv: 1409.6373 · arxiv_version: 1409.6373v3 · doi: 10.48550/arxiv.1409.6373 · pith_short_12: VVFO5RVTLZP5 · pith_short_16: VVFO5RVTLZP5NMU3 · pith_short_8: VVFO5RVT

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/VVFO5RVTLZP5NMU3PMW7N7KXPZ \
  | 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: ad4aeec6b35e5fd6b29b7b2df6fd577e728f5afce8dab22256e9b20bfecccb1d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9ed66951f6cc36d25b47f448ddf71ba6b6712f967823da71a6b7427558af30e7",
    "cross_cats_sorted": [
      "gr-qc",
      "physics.space-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ins-det",
    "submitted_at": "2014-09-22T23:49:30Z",
    "title_canon_sha256": "2583778d1a615e9a950d32a9e6b324b43f56c771c0d41dc430358818934b7857"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.6373",
    "kind": "arxiv",
    "version": 3
  }
}