Pith Number

pith:ATFCH37F

pith:2018:ATFCH37F2YDYH4QEPFE4HT3JMR

not attested not anchored not stored refs pending

Exact density matrix for quantum group invariant sector of XXZ model

Fedor Smirnov

arxiv:1804.08974 v1 · 2018-04-24 · math-ph · cond-mat.stat-mech · hep-th · 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{ATFCH37F2YDYH4QEPFE4HT3JMR}

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	2026-05-18T00:17:36.745570Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

04ca23efe5d60783f2047949c3cf69646cdd1fa6b4195883b7b2f416fcf10a86

Aliases

arxiv: 1804.08974 · arxiv_version: 1804.08974v1 · doi: 10.48550/arxiv.1804.08974 · pith_short_12: ATFCH37F2YDY · pith_short_16: ATFCH37F2YDYH4QE · pith_short_8: ATFCH37F

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/ATFCH37F2YDYH4QEPFE4HT3JMR \
  | 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: 04ca23efe5d60783f2047949c3cf69646cdd1fa6b4195883b7b2f416fcf10a86

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "228d2ac246ff0fb8bab2d7023e7fbfac941d62cffcd0d9563a0945d2dd18768b",
    "cross_cats_sorted": [
      "cond-mat.stat-mech",
      "hep-th",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2018-04-24T12:09:31Z",
    "title_canon_sha256": "d0ece9e1f949461821c81413d1e41cd2da28bc96408c7921bfcaccedfbfa8581"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.08974",
    "kind": "arxiv",
    "version": 1
  }
}