Pith Number

pith:7TJRYP2P

pith:1998:7TJRYP2PQQM6U6AH23F3TFE3NH

not attested not anchored not stored refs pending

Plane torsion waves in quadratic gravitational theories

B. N. Frolov, E. A. Klimova (Department of Mathematics, Moscow State Pedagogical University), O. V. Babourova

arxiv:gr-qc/9805005 v1 · 1998-05-03 · 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{7TJRYP2PQQM6U6AH23F3TFE3NH}

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	2026-07-04T16:08:48.247833Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fcd31c3f4f8419ea7807d6cbb9949b69f8f4289941fc26a0d7a58b5831c3c2f4

Aliases

arxiv: gr-qc/9805005 · arxiv_version: gr-qc/9805005v1 · doi: 10.48550/arxiv.gr-qc/9805005 · pith_short_12: 7TJRYP2PQQM6 · pith_short_16: 7TJRYP2PQQM6U6AH · pith_short_8: 7TJRYP2P

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/7TJRYP2PQQM6U6AH23F3TFE3NH \
  | 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: fcd31c3f4f8419ea7807d6cbb9949b69f8f4289941fc26a0d7a58b5831c3c2f4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "228fde4db60487fa05b3833eaa956741650de7e83755dbd7c15b03ed3c53b4a7",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "1998-05-03T22:20:35Z",
    "title_canon_sha256": "c6ab9ab87b342b78b7df4f4dcc895e633fc03a3d8e31bb922c159e5628958990"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/9805005",
    "kind": "arxiv",
    "version": 1
  }
}