Pith Number

pith:DZGH6CAM

pith:1999:DZGH6CAMQMNTZVV7BBQSPHBZV7

not attested not anchored not stored refs pending

Baxter's Q-operator for the homogeneous XXX spin chain

S.E. Derkachov

arxiv:solv-int/9902015 v1 · 1999-02-19 · solv-int · hep-th · math-ph · math.MP · nlin.SI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DZGH6CAMQMNTZVV7BBQSPHBZV7}

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	2026-07-04T16:16:29.043885Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1e4c7f080c831b3cd6bf0861279c39afdae83205bf4a278fd8e2eca3a3b5212d

Aliases

arxiv: solv-int/9902015 · arxiv_version: solv-int/9902015v1 · doi: 10.48550/arxiv.solv-int/9902015 · pith_short_12: DZGH6CAMQMNT · pith_short_16: DZGH6CAMQMNTZVV7 · pith_short_8: DZGH6CAM

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/DZGH6CAMQMNTZVV7BBQSPHBZV7 \
  | 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: 1e4c7f080c831b3cd6bf0861279c39afdae83205bf4a278fd8e2eca3a3b5212d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6fa4f8174852e43e1a87c9d0da3f7ee63aca6b61656291a9ef6c616228bd3359",
    "cross_cats_sorted": [
      "hep-th",
      "math-ph",
      "math.MP",
      "nlin.SI"
    ],
    "license": "",
    "primary_cat": "solv-int",
    "submitted_at": "1999-02-19T15:56:58Z",
    "title_canon_sha256": "74f58f734338c7c9c3720b033fa2a5c76e06ebcc78cc92699dbee340b8650073"
  },
  "schema_version": "1.0",
  "source": {
    "id": "solv-int/9902015",
    "kind": "arxiv",
    "version": 1
  }
}