Pith Number

pith:MOPETCA5

pith:1996:MOPETCA5C3GWEAAQTZUASB5S4W

not attested not anchored not stored refs pending

Central Extension of Extended Supergravities in Diverse Dimensions

L. Andrianopoli, R. D'Auria, S. Ferrara

arxiv:hep-th/9608015 v2 · 1996-08-02 · 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{MOPETCA5C3GWEAAQTZUASB5S4W}

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	2026-05-18T02:36:03.149011Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

639e49881d16cd6200109e680907b2e5af9467da564ae766a15c6160a2b4acfc

Aliases

arxiv: hep-th/9608015 · arxiv_version: hep-th/9608015v2 · doi: 10.48550/arxiv.hep-th/9608015 · pith_short_12: MOPETCA5C3GW · pith_short_16: MOPETCA5C3GWEAAQ · pith_short_8: MOPETCA5

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/MOPETCA5C3GWEAAQTZUASB5S4W \
  | 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: 639e49881d16cd6200109e680907b2e5af9467da564ae766a15c6160a2b4acfc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4c5f1ff89a94e9c65aa76b2f52a29d1229eb59f7757c6b028f3f0e5b2cc2465e",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "1996-08-02T16:06:41Z",
    "title_canon_sha256": "bd8a01578d67fe96fb268877d99540f73a5161f01f50b8b0e82497dd8de8785e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-th/9608015",
    "kind": "arxiv",
    "version": 2
  }
}