Pith Number

pith:ZLB2RDSA

pith:2026:ZLB2RDSAJWGXZUEYP3IFPQ6VMC

not attested not anchored not stored refs pending

Exact Solution for Non-Hermitian Free Fermions: A Case Study of the XY Chain

D.C. Liu, Murray T. Batchelor, Yuguan Li

arxiv:2605.26813 v1 · 2026-05-26 · quant-ph · cond-mat.stat-mech · 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{ZLB2RDSAJWGXZUEYP3IFPQ6VMC}

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	2026-05-27T01:06:13.981498Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cac3a88e404d8d7cd0987ed057c3d560b7277eb4c8581ca4ac1c9e55f98682b4

Aliases

arxiv: 2605.26813 · arxiv_version: 2605.26813v1 · doi: 10.48550/arxiv.2605.26813 · pith_short_12: ZLB2RDSAJWGX · pith_short_16: ZLB2RDSAJWGXZUEY · pith_short_8: ZLB2RDSA

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/ZLB2RDSAJWGXZUEYP3IFPQ6VMC \
  | 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: cac3a88e404d8d7cd0987ed057c3d560b7277eb4c8581ca4ac1c9e55f98682b4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "49d6534fc44d9adcbb06d2e84236eb81d4bbc65c867aee9f75cbff789aa58759",
    "cross_cats_sorted": [
      "cond-mat.stat-mech",
      "math-ph",
      "math.MP"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2026-05-26T10:30:22Z",
    "title_canon_sha256": "b1a39a7882130862f68186ed86401ba3158fe967640d3fcf8cd543a18e89c3ee"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.26813",
    "kind": "arxiv",
    "version": 1
  }
}