Pith Number

pith:RX7V47RZ

pith:2025:RX7V47RZHL7OBT3FDTDACBBC24

not attested not anchored not stored refs pending

Exactly solvable inhomogeneous XY spin chain

Lucia Morey, Luc Vinet, Nicolas Cramp\'e, Pierre-Antoine Bernard, Quentin Labriet

arxiv:2507.06331 v1 · 2025-07-08 · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RX7V47RZHL7OBT3FDTDACBBC24}

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	2026-07-05T11:34:13.777209Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8dff5e7e393afee0cf651cc6010422d72c7943940ef2032f89229be9113f84c6

Aliases

arxiv: 2507.06331 · arxiv_version: 2507.06331v1 · doi: 10.48550/arxiv.2507.06331 · pith_short_12: RX7V47RZHL7O · pith_short_16: RX7V47RZHL7OBT3F · pith_short_8: RX7V47RZ

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/RX7V47RZHL7OBT3FDTDACBBC24 \
  | 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: 8dff5e7e393afee0cf651cc6010422d72c7943940ef2032f89229be9113f84c6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "780f248a038ac6e595e101ef83fec9b56eecca683589e86fd9e07672f2c8c688",
    "cross_cats_sorted": [
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2025-07-08T18:34:39Z",
    "title_canon_sha256": "b3f4669feb188d2e962df6c54691ae1cf1619cbb420e5a582901e48e118f8b82"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.06331",
    "kind": "arxiv",
    "version": 1
  }
}