Pith Number

pith:ZNQURYXA

pith:2010:ZNQURYXAKFKGMCKLK5QG2NTYEK

not attested not anchored not stored refs pending

Discreteness and the transmission of light from distant sources

Fay Dowker, Joe Henson, Rafael Sorkin

arxiv:1009.3058 v2 · 2010-09-15 · 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{ZNQURYXAKFKGMCKLK5QG2NTYEK}

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	2026-05-18T04:32:45.611992Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cb6148e2e0515466094b57606d367822a9c6a7cd3470c1035aafe6437b79c298

Aliases

arxiv: 1009.3058 · arxiv_version: 1009.3058v2 · doi: 10.48550/arxiv.1009.3058 · pith_short_12: ZNQURYXAKFKG · pith_short_16: ZNQURYXAKFKGMCKL · pith_short_8: ZNQURYXA

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/ZNQURYXAKFKGMCKLK5QG2NTYEK \
  | 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: cb6148e2e0515466094b57606d367822a9c6a7cd3470c1035aafe6437b79c298

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "971c4284247489e6258240d38afd51cb8fb96b0988aecc4082105701cca2540f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2010-09-15T22:14:16Z",
    "title_canon_sha256": "d31e544ffaa59c3e562bae765ad39757f896a730f0908e8e5e0cbf9d7ddea61a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1009.3058",
    "kind": "arxiv",
    "version": 2
  }
}