Pith Number

pith:HLN5IFDS

pith:2002:HLN5IFDSVCVM6AERA6GLUZO6E5

not attested not anchored not stored refs pending

Eight-Dimensional Topological Gravity and its Correspondence with Supergravity

Alessandro Tanzini (LPTHE, Laurent Baulieu, Marc Bellon, Paris VI-VII)

arxiv:hep-th/0207020 v1 · 2002-07-02 · hep-th

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HLN5IFDSVCVM6AERA6GLUZO6E5}

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	2026-05-18T01:38:49.356812Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3adbd41472a8aacf0091078cba65de27504ef7afbe0bf5136d1061b1cda72b1a

Aliases

arxiv: hep-th/0207020 · arxiv_version: hep-th/0207020v1 · doi: 10.48550/arxiv.hep-th/0207020 · pith_short_12: HLN5IFDSVCVM · pith_short_16: HLN5IFDSVCVM6AER · pith_short_8: HLN5IFDS

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/HLN5IFDSVCVM6AERA6GLUZO6E5 \
  | 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: 3adbd41472a8aacf0091078cba65de27504ef7afbe0bf5136d1061b1cda72b1a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c5fb26956a62461ea7e0913a3e7053fa199ebf1a5ddcd4087f5c91f32c25f03f",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "2002-07-02T13:09:23Z",
    "title_canon_sha256": "a0d0b99a19070081b51f9c9854882807c0c0518e58ca6cae2a5f2edca2214b9b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-th/0207020",
    "kind": "arxiv",
    "version": 1
  }
}