Pith Number

pith:JPJBMYEW

pith:2013:JPJBMYEW23Y3QBBXIZLTSEFK6B

not attested not anchored not stored refs pending

Results of a one-way experiment to test the isotropy of the speed of light

A. D. Stauffer (York University, Brendan M. Quine, Canada), Md. Farid Ahmed, Spiros Pagiatakis, Toronto

arxiv:1310.1171 v1 · 2013-10-04 · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JPJBMYEW23Y3QBBXIZLTSEFK6B}

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	2026-05-18T03:11:23.357680Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4bd2166096d6f1b8043746573910aaf04ae14a7d37bcd9b0a76395cd1dfe06d6

Aliases

arxiv: 1310.1171 · arxiv_version: 1310.1171v1 · doi: 10.48550/arxiv.1310.1171 · pith_short_12: JPJBMYEW23Y3 · pith_short_16: JPJBMYEW23Y3QBBX · pith_short_8: JPJBMYEW

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/JPJBMYEW23Y3QBBXIZLTSEFK6B \
  | 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: 4bd2166096d6f1b8043746573910aaf04ae14a7d37bcd9b0a76395cd1dfe06d6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "47fc392f9a256b5fd53ee51997949f1fbe21e9f5191b14fbfc9396f73559a8d6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2013-10-04T05:27:17Z",
    "title_canon_sha256": "3c5c22c37b3740fddad9e2403cf41cfd6546eaf861cbbd507f98adc1b717d4fc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.1171",
    "kind": "arxiv",
    "version": 1
  }
}