Pith Number

pith:7CHQHYNZ

pith:2000:7CHQHYNZP4D3LV2FIPJVLN7QAV

not attested not anchored not stored refs pending

Large quantum gravity effects: Cylindrical waves in four dimensions

CSIC, Guillermo A. Mena Marugan (IMAFF, Maria E. Angulo (Univ. of Sussex, Spain), UK)

arxiv:gr-qc/0002056 v2 · 2000-02-16 · 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{7CHQHYNZP4D3LV2FIPJVLN7QAV}

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	2026-05-18T04:35:35.476823Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f88f03e1b97f07b5d74543d355b7f005735181fb3d0b58dab487b2ff9acdb6bb

Aliases

arxiv: gr-qc/0002056 · arxiv_version: gr-qc/0002056v2 · doi: 10.48550/arxiv.gr-qc/0002056 · pith_short_12: 7CHQHYNZP4D3 · pith_short_16: 7CHQHYNZP4D3LV2F · pith_short_8: 7CHQHYNZ

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/7CHQHYNZP4D3LV2FIPJVLN7QAV \
  | 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: f88f03e1b97f07b5d74543d355b7f005735181fb3d0b58dab487b2ff9acdb6bb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eff0ab0b23165e79964206a16367a10e43d281bfd2f88b262f49dc4d3c6baaf5",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "2000-02-16T09:40:33Z",
    "title_canon_sha256": "3cd621a8824ac3a237cb7192d4c7246de3f329e659007dabed26e24e2dde55cb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/0002056",
    "kind": "arxiv",
    "version": 2
  }
}