Pith Number

pith:GYJ2B2TM

pith:2018:GYJ2B2TM2UZDT24WQJCAMQKLA3

not attested not anchored not stored refs pending

Richardson-Gaudin models and broken integrability

Pieter W. Claeys

arxiv:1809.04447 v1 · 2018-09-11 · math-ph · cond-mat.stat-mech · cond-mat.str-el · math.MP · nlin.SI · quant-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GYJ2B2TM2UZDT24WQJCAMQKLA3}

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	2026-05-18T00:05:52.368047Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3613a0ea6cd53239eb96824406414b06d07f965284a35fe042adf48b0202a5c4

Aliases

arxiv: 1809.04447 · arxiv_version: 1809.04447v1 · doi: 10.48550/arxiv.1809.04447 · pith_short_12: GYJ2B2TM2UZD · pith_short_16: GYJ2B2TM2UZDT24W · pith_short_8: GYJ2B2TM

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/GYJ2B2TM2UZDT24WQJCAMQKLA3 \
  | 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: 3613a0ea6cd53239eb96824406414b06d07f965284a35fe042adf48b0202a5c4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "de6d1a05d8423d1f9280135e2b6055ec19f7175024bbe157f190a5ed27c8e73a",
    "cross_cats_sorted": [
      "cond-mat.stat-mech",
      "cond-mat.str-el",
      "math.MP",
      "nlin.SI",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2018-09-11T09:55:26Z",
    "title_canon_sha256": "10d8ef94e94cddb2514940eb09981a339d746ca72546a73913df494dc6e9f7f9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.04447",
    "kind": "arxiv",
    "version": 1
  }
}