Pith Number

pith:ULSSZNE2

pith:1998:ULSSZNE2VGZVSFXBISGVQWUQM2

not attested not anchored not stored refs pending

Construction of N = 2 Chiral Supergravity Compatible with the Reality Condition

Motomu Tsuda, Takeshi Shirafuji

arxiv:gr-qc/9805001 v1 · 1998-05-01 · 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{ULSSZNE2VGZVSFXBISGVQWUQM2}

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	2026-05-18T02:37:28.227193Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a2e52cb49aa9b35916e1448d585a90668bd47d8083db18828b89e2dc1ac3410c

Aliases

arxiv: gr-qc/9805001 · arxiv_version: gr-qc/9805001v1 · doi: 10.48550/arxiv.gr-qc/9805001 · pith_short_12: ULSSZNE2VGZV · pith_short_16: ULSSZNE2VGZVSFXB · pith_short_8: ULSSZNE2

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/ULSSZNE2VGZVSFXBISGVQWUQM2 \
  | 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: a2e52cb49aa9b35916e1448d585a90668bd47d8083db18828b89e2dc1ac3410c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1a18cd974259d0124d02898d11bf478aa213286c7280d8f4717f88b67c7e94f3",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "1998-05-01T05:25:19Z",
    "title_canon_sha256": "31390347e48c11c6eeff21a496d0157587ef4b2e9ee4017f569e2b47abf41e02"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/9805001",
    "kind": "arxiv",
    "version": 1
  }
}