Pith Number

pith:L5ED7KTB

pith:2026:L5ED7KTBKQK3SRVF3FNECZVG27

not attested not anchored not stored refs pending

Integral formula for the propagator of the one-dimensional Hubbard model

Kazuya Fujimoto, Taiki Ishiyama, Tomohiro Sasamoto

arxiv:2602.21541 v2 · 2026-02-25 · cond-mat.stat-mech · cond-mat.quant-gas · 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{L5ED7KTBKQK3SRVF3FNECZVG27}

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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	2026-06-01T01:02:35.439035Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5f483faa615415b946a5d95a4166a6d7cca7ec4b41a4b9a3609dae28e0c81ce9

Aliases

arxiv: 2602.21541 · arxiv_version: 2602.21541v2 · doi: 10.48550/arxiv.2602.21541 · pith_short_12: L5ED7KTBKQK3 · pith_short_16: L5ED7KTBKQK3SRVF · pith_short_8: L5ED7KTB

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/L5ED7KTBKQK3SRVF3FNECZVG27 \
  | 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: 5f483faa615415b946a5d95a4166a6d7cca7ec4b41a4b9a3609dae28e0c81ce9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cb65edce3026500fd6c0f28ef496d025c8317f0f287dff304ad779ec4e87718a",
    "cross_cats_sorted": [
      "cond-mat.quant-gas",
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.stat-mech",
    "submitted_at": "2026-02-25T03:56:10Z",
    "title_canon_sha256": "227f11b72d6aa1542ff5ea5c10ddf414c0d9286708b195ece2cb76df87ef413a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2602.21541",
    "kind": "arxiv",
    "version": 2
  }
}