Pith Number

pith:7EZAGHKU

pith:2013:7EZAGHKUABC5KD6GORLDOSKWPH

not attested not anchored not stored refs pending

Why there is no noon-midnight red shift in the GPS

Marc Weiss, Neil Ashby

arxiv:1307.6525 v1 · 2013-07-24 · 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{7EZAGHKUABC5KD6GORLDOSKWPH}

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	2026-05-18T03:17:36.259646Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f932031d540045d50fc6745637495679eea6fd5110ccb7f4e4774963e57f75a2

Aliases

arxiv: 1307.6525 · arxiv_version: 1307.6525v1 · doi: 10.48550/arxiv.1307.6525 · pith_short_12: 7EZAGHKUABC5 · pith_short_16: 7EZAGHKUABC5KD6G · pith_short_8: 7EZAGHKU

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/7EZAGHKUABC5KD6GORLDOSKWPH \
  | 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: f932031d540045d50fc6745637495679eea6fd5110ccb7f4e4774963e57f75a2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1b952b33f71b9a238504929d5c2dd04d6f3525949fbfedc6f8250c8b2898d605",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/publicdomain/",
    "primary_cat": "gr-qc",
    "submitted_at": "2013-07-24T18:42:10Z",
    "title_canon_sha256": "e48f8f5fadf56aa139990a61b6c4b7539ecadc909c7681bcee4abcf6f88ccafb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.6525",
    "kind": "arxiv",
    "version": 1
  }
}