Pith Number

pith:42OB622M

pith:1993:42OB622M3AWBFXRZCCQRWYXDVK

not attested not anchored not stored refs pending

The General Solution of the 2-D Sigma Model Stringy Black Hole and the Massless Complex Sine-Gordon Model

H.J. de Vega, J. Ram\'irez Mittelbrunn, M. Ram\'on Medrano, N. s\'anchez

arxiv:hep-th/9312085 v2 · 1993-12-10 · hep-th

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

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	2026-05-18T01:09:16.349904Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e69c1f6b4cd82c12de3910a11b62e3aa9dd4d898c79f00584792d6a4490b726d

Aliases

arxiv: hep-th/9312085 · arxiv_version: hep-th/9312085v2 · doi: 10.48550/arxiv.hep-th/9312085 · pith_short_12: 42OB622M3AWB · pith_short_16: 42OB622M3AWBFXRZ · pith_short_8: 42OB622M

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/42OB622M3AWBFXRZCCQRWYXDVK \
  | 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: e69c1f6b4cd82c12de3910a11b62e3aa9dd4d898c79f00584792d6a4490b726d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "691231264beed4f20eac903778496393838b876331eaef5b9cf5d56c2d018305",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "1993-12-10T15:05:46Z",
    "title_canon_sha256": "84ba99ee4222e5599e985a51b630e82dc09f54f4541363592d90440f30ed27d4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-th/9312085",
    "kind": "arxiv",
    "version": 2
  }
}