Pith Number

pith:67T7ZMG2

pith:1997:67T7ZMG2HYYVMSLIGVRQ2V656X

not attested not anchored not stored refs pending

Topological Invariants, Instantons and Chiral Anomaly on Spaces with Torsion

Jorge Zanelli, Osvaldo Chandia

arxiv:hep-th/9702025 v1 · 1997-02-03 · hep-th · 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{67T7ZMG2HYYVMSLIGVRQ2V656X}

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	2026-05-18T01:08:02.328639Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f7e7fcb0da3e3156496835630d57ddf5e74270a393b7728ae7db2432a3d30179

Aliases

arxiv: hep-th/9702025 · arxiv_version: hep-th/9702025v1 · doi: 10.48550/arxiv.hep-th/9702025 · pith_short_12: 67T7ZMG2HYYV · pith_short_16: 67T7ZMG2HYYVMSLI · pith_short_8: 67T7ZMG2

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/67T7ZMG2HYYVMSLIGVRQ2V656X \
  | 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: f7e7fcb0da3e3156496835630d57ddf5e74270a393b7728ae7db2432a3d30179

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2a50b6861fe4af1c4c94eb1fa7d04be8fa3f080693bc105ee4d269a006b6e50e",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "1997-02-03T18:44:05Z",
    "title_canon_sha256": "63dee606c996ea339e93914130e80c6aa224e4792493b038b5b388c0c117c9c3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-th/9702025",
    "kind": "arxiv",
    "version": 1
  }
}