pith. sign in
Pith Number

pith:VIH4JLZZ

pith:2007:VIH4JLZZIDJC3JD7CIOBJTKYKM
not attested not anchored not stored refs pending

Density matrices for finite segments of Heisenberg chains of arbitrary length

Andreas Kl\"umper, Frank G\"ohmann, Jens Damerau, Nils P. Hasenclever

arxiv:cond-mat/0701463 v3 · 2007-01-18 · cond-mat.stat-mech · cond-mat.str-el

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{VIH4JLZZIDJC3JD7CIOBJTKYKM}

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 2026-05-18T04:14:16.904346Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

aa0fc4af3940d22da47f121c14cd58531c8f56dddecbc63b0d74570200dbda24

Aliases

arxiv: cond-mat/0701463 · arxiv_version: cond-mat/0701463v3 · doi: 10.48550/arxiv.cond-mat/0701463 · pith_short_12: VIH4JLZZIDJC · pith_short_16: VIH4JLZZIDJC3JD7 · pith_short_8: VIH4JLZZ
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/VIH4JLZZIDJC3JD7CIOBJTKYKM \
  | 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: aa0fc4af3940d22da47f121c14cd58531c8f56dddecbc63b0d74570200dbda24
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "3cd54483ee19282ffb4ea2c89e4445198495732f3a528ba2713612fe82d7d24e",
    "cross_cats_sorted": [
      "cond-mat.str-el"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.stat-mech",
    "submitted_at": "2007-01-18T20:48:49Z",
    "title_canon_sha256": "6f23171f68631c1bbe1975536191b62381ea4d44ef36b6b8f9f8a2287a8b228d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cond-mat/0701463",
    "kind": "arxiv",
    "version": 3
  }
}