Pith. sign in
Pith Number

pith:OQFPYDMA

pith:1997:OQFPYDMA33UN5P3STQVOD5QX5G
not attested not anchored not stored refs pending

A note on area variables in Regge calculus

John W. Barrett, Martin Rocek, Ruth M. Williams

arxiv:gr-qc/9710056 v2 · 1997-10-10 · gr-qc

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{OQFPYDMA33UN5P3STQVOD5QX5G}

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.

Cited by

1 paper in Pith

Receipt and verification
First computed 2026-07-04T16:04:40.579952Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

740afc0d80dee8debf729c2ae1f617e9b549ba2f24a489699bc305a97af0739d

Aliases

arxiv: gr-qc/9710056 · arxiv_version: gr-qc/9710056v2 · doi: 10.48550/arxiv.gr-qc/9710056 · pith_short_12: OQFPYDMA33UN · pith_short_16: OQFPYDMA33UN5P3S · pith_short_8: OQFPYDMA
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/OQFPYDMA33UN5P3STQVOD5QX5G \
  | 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: 740afc0d80dee8debf729c2ae1f617e9b549ba2f24a489699bc305a97af0739d
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "dbeffabf954454678a2247bfafa33a30a266467fc0e42bd59e9a3ce1d46bb0a4",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "1997-10-10T08:53:21Z",
    "title_canon_sha256": "ffe6b2b3bcefd8258191a087060554ea44d57ebe843cae4ad8e07072d0ca8ca3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/9710056",
    "kind": "arxiv",
    "version": 2
  }
}