pith. sign in
Pith Number

pith:42ZAXJWV

pith:1999:42ZAXJWVGOQFK2MPML23PUWJY6
not attested not anchored not stored refs pending

Solution of the quantum inverse problem

F. G\"ohmann, State University of New York at Stony Brook), V. E. Korepin (YITP

arxiv:hep-th/9910253 v1 · 1999-10-30 · hep-th · cond-mat · math-ph · math.MP · math.QA · nlin.SI · solv-int

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{42ZAXJWVGOQFK2MPML23PUWJY6}

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 2026-07-04T15:21:00.900844Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

e6b20ba6d533a055698f62f5b7d2c9c79dafc7d3a50857d50a72d9db76d3973c

Aliases

arxiv: hep-th/9910253 · arxiv_version: hep-th/9910253v1 · doi: 10.48550/arxiv.hep-th/9910253 · pith_short_12: 42ZAXJWVGOQF · pith_short_16: 42ZAXJWVGOQFK2MP · pith_short_8: 42ZAXJWV
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/42ZAXJWVGOQFK2MPML23PUWJY6 \
  | 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: e6b20ba6d533a055698f62f5b7d2c9c79dafc7d3a50857d50a72d9db76d3973c
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "8260a08f5fb5db91b2ba3408a100865e649238564e407f2bd8c069a2a3156d5c",
    "cross_cats_sorted": [
      "cond-mat",
      "math-ph",
      "math.MP",
      "math.QA",
      "nlin.SI",
      "solv-int"
    ],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "1999-10-30T22:43:00Z",
    "title_canon_sha256": "9aa9d28c54b88874deb0690307f59859759c5deb72e69cfba8f90598cb76fe8d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-th/9910253",
    "kind": "arxiv",
    "version": 1
  }
}