Pith Number

pith:WBBIGA3O

pith:1999:WBBIGA3OX5NKZIBNKDT7VZKWZ6

not attested not anchored not stored refs pending

Conformal Field Theory and the Exact Solution of the BCS Hamiltonian

German Sierra (CSIC-Spain)

arxiv:hep-th/9911078 v1 · 1999-11-11 · hep-th · cond-mat

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WBBIGA3OX5NKZIBNKDT7VZKWZ6}

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.

Cited by

1 paper in Pith

2D CFT and efficient Bethe ansatz for exactly solvable Richardson-Gaudin models

Receipt and verification

First computed	2026-07-04T16:15:01.623050Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b04283036ebf5aaca02d50e7fae556cf95d12dbe8760f996b5f2873c8922d3ec

Aliases

arxiv: hep-th/9911078 · arxiv_version: hep-th/9911078v1 · doi: 10.48550/arxiv.hep-th/9911078 · pith_short_12: WBBIGA3OX5NK · pith_short_16: WBBIGA3OX5NKZIBN · pith_short_8: WBBIGA3O

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/WBBIGA3OX5NKZIBNKDT7VZKWZ6 \
  | 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: b04283036ebf5aaca02d50e7fae556cf95d12dbe8760f996b5f2873c8922d3ec

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "101d5f44c6bfcf420e42ef7cd2156aa75fd11d976b68f0a5b0af1f5382e43f92",
    "cross_cats_sorted": [
      "cond-mat"
    ],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "1999-11-11T10:15:36Z",
    "title_canon_sha256": "441b34756ff8bac2d2240820d141919ec2fd83bb0e45199d6cab030c094ec189"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-th/9911078",
    "kind": "arxiv",
    "version": 1
  }
}