Pith Number

pith:W7ORDQD5

pith:2012:W7ORDQD5CXPWB3T326G6H4D4IO

not attested not anchored not stored refs pending

A cosmological solution of Regge calculus

Adrian P. Gentle

arxiv:1208.1502 v1 · 2012-08-07 · gr-qc · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{W7ORDQD5CXPWB3T326G6H4D4IO}

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	2026-05-18T01:55:22.054673Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b7dd11c07d15df60ee7bd78de3f07c439ca41bd674dee7b03b9c8866a096997a

Aliases

arxiv: 1208.1502 · arxiv_version: 1208.1502v1 · doi: 10.48550/arxiv.1208.1502 · pith_short_12: W7ORDQD5CXPW · pith_short_16: W7ORDQD5CXPWB3T3 · pith_short_8: W7ORDQD5

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/W7ORDQD5CXPWB3T326G6H4D4IO \
  | 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: b7dd11c07d15df60ee7bd78de3f07c439ca41bd674dee7b03b9c8866a096997a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "54954d60700152f55f79e1822ef99c4defbea1b3126a12e01afefb423857b795",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2012-08-07T19:57:27Z",
    "title_canon_sha256": "072b00be7310c5da3eaeae62263c6c6226060c1d2696745342d695e46498f9d5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1208.1502",
    "kind": "arxiv",
    "version": 1
  }
}