Pith Number

pith:HYY66YBF

pith:2002:HYY66YBFR2V73YBG673IFHCG3U

not attested not anchored not stored refs pending

Topological Gravity versus Supergravity on Manifolds with Special Holonomy

Alessandro Tanzini (LPTHE Paris 6-7), Laurent Baulieu

arxiv:hep-th/0201109 v1 · 2002-01-15 · 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{HYY66YBFR2V73YBG673IFHCG3U}

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	2026-05-18T02:36:11.235061Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3e31ef60258eabfde026f7f6829c46dd39cdbb8daeedf1c2c59a036396e93b73

Aliases

arxiv: hep-th/0201109 · arxiv_version: hep-th/0201109v1 · doi: 10.48550/arxiv.hep-th/0201109 · pith_short_12: HYY66YBFR2V7 · pith_short_16: HYY66YBFR2V73YBG · pith_short_8: HYY66YBF

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/HYY66YBFR2V73YBG673IFHCG3U \
  | 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: 3e31ef60258eabfde026f7f6829c46dd39cdbb8daeedf1c2c59a036396e93b73

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "891e24b2225a46debd101b8fb3b7875659e1d170e3489d566b5fd6836b741a58",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "2002-01-15T18:06:17Z",
    "title_canon_sha256": "4264b744c7a1294db97a7059fc71c372772423b58748440012be724605d2423e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-th/0201109",
    "kind": "arxiv",
    "version": 1
  }
}