Pith Number

pith:BDJQQPM2

pith:2019:BDJQQPM2POZ3H5TPOIFSFGWBOA

not attested not anchored not stored refs pending

Eigenstates of triangularisable open XXX spin chains and closed-form solutions for the steady state of the open SSEP

Rouven Frassek

arxiv:1910.13163 v2 · 2019-10-29 · math-ph · cond-mat.stat-mech · hep-th · math.MP · math.PR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BDJQQPM2POZ3H5TPOIFSFGWBOA}

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	2026-07-05T01:06:50.507162Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

08d3083d9a7bb3b3f66f720b229ac1702af79a1b6763b81a3b930c0483a6dcd5

Aliases

arxiv: 1910.13163 · arxiv_version: 1910.13163v2 · doi: 10.48550/arxiv.1910.13163 · pith_short_12: BDJQQPM2POZ3 · pith_short_16: BDJQQPM2POZ3H5TP · pith_short_8: BDJQQPM2

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/BDJQQPM2POZ3H5TPOIFSFGWBOA \
  | 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: 08d3083d9a7bb3b3f66f720b229ac1702af79a1b6763b81a3b930c0483a6dcd5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "92ac92595a27a68fb1129b791ef97794f4317e2c2f0b703c5aed5dd92f858146",
    "cross_cats_sorted": [
      "cond-mat.stat-mech",
      "hep-th",
      "math.MP",
      "math.PR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2019-10-29T10:07:36Z",
    "title_canon_sha256": "74320d16158c38c16e5056aec63602ca8a5d3797f3893a22659a028f949f20f1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1910.13163",
    "kind": "arxiv",
    "version": 2
  }
}