Pith Number

pith:6WFELZDF

pith:1992:6WFELZDFFSX7ETFF4PEW75P2GA

not attested not anchored not stored refs pending

Twisted N=2 Supergravity as Topological Gravity in Four Dimensions

Damiano Anselmi, Pietro Fre

arxiv:hep-th/9208029 v1 · 1992-08-11 · 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{6WFELZDFFSX7ETFF4PEW75P2GA}

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	2026-05-18T02:36:04.806801Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f58a45e4652caff24ca5e3c96ff5fa302961bb12b01e3898070fa1675c0108bf

Aliases

arxiv: hep-th/9208029 · arxiv_version: hep-th/9208029v1 · doi: 10.48550/arxiv.hep-th/9208029 · pith_short_12: 6WFELZDFFSX7 · pith_short_16: 6WFELZDFFSX7ETFF · pith_short_8: 6WFELZDF

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/6WFELZDFFSX7ETFF4PEW75P2GA \
  | 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: f58a45e4652caff24ca5e3c96ff5fa302961bb12b01e3898070fa1675c0108bf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "896b3444c63b66ecea4c3a22334f80b778c48db21a425a5c6629fc36a343d5d1",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "1992-08-11T08:27:48Z",
    "title_canon_sha256": "80fdc5b82048c58d5e4a938b93146789963e7cada733ec66d61815efc0a0acba"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-th/9208029",
    "kind": "arxiv",
    "version": 1
  }
}