Pith Number

pith:C3BDUGL5

pith:2018:C3BDUGL5Y6U2JACGBCWYFZZHDJ

not attested not anchored not stored refs pending

Rotational Dimensional Reduction

Mark D. Roberts

arxiv:1812.11379 v1 · 2018-12-29 · 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{C3BDUGL5Y6U2JACGBCWYFZZHDJ}

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	2026-05-17T23:57:12.116768Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

16c23a197dc7a9a4804608ad82e7271a58892a4206fd4bd6947b5d031f57a71c

Aliases

arxiv: 1812.11379 · arxiv_version: 1812.11379v1 · doi: 10.48550/arxiv.1812.11379 · pith_short_12: C3BDUGL5Y6U2 · pith_short_16: C3BDUGL5Y6U2JACG · pith_short_8: C3BDUGL5

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/C3BDUGL5Y6U2JACGBCWYFZZHDJ \
  | 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: 16c23a197dc7a9a4804608ad82e7271a58892a4206fd4bd6947b5d031f57a71c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7ab0ced247f429db341d6d2415ed4070f4790fb5ba548e7c89713438ee134f5c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2018-12-29T15:25:28Z",
    "title_canon_sha256": "95db03129321649d3f0969ba87b9573201ea5090b79283b8cd431bbddec704b5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.11379",
    "kind": "arxiv",
    "version": 1
  }
}