Pith Number

pith:6XHMQJOU

pith:2007:6XHMQJOUWVVNLCMWVF4HN4P44R

not attested not anchored not stored refs pending

Cosmological Plebanski theory

Alejandro Perez, Karim Noui, Kevin Vandersloot

arxiv:0712.4143 v1 · 2007-12-26 · 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{6XHMQJOUWVVNLCMWVF4HN4P44R}

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	2026-05-18T02:35:23.909924Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f5cec825d4b56ad58996a97876f1fce46db456a19b55d0bbd84a14b728056b8c

Aliases

arxiv: 0712.4143 · arxiv_version: 0712.4143v1 · doi: 10.48550/arxiv.0712.4143 · pith_short_12: 6XHMQJOUWVVN · pith_short_16: 6XHMQJOUWVVNLCMW · pith_short_8: 6XHMQJOU

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/6XHMQJOUWVVNLCMWVF4HN4P44R \
  | 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: f5cec825d4b56ad58996a97876f1fce46db456a19b55d0bbd84a14b728056b8c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ab4d00288d6e03e46154157d221ea00623238565ba76f5c27a4fd8e4d52ab01e",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "2007-12-26T19:46:30Z",
    "title_canon_sha256": "51950a2ed901ee679ed8aeb262b5d2a5976a3ddaed99a95c91e4076ea2f8ef81"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0712.4143",
    "kind": "arxiv",
    "version": 1
  }
}