Pith Number

pith:ZF3QOUJY

pith:2022:ZF3QOUJY3JPNGMURHIPVNGEUBL

not attested not anchored not stored refs pending

The Negativity Hamiltonian: An operator characterization of mixed-state entanglement

Marcello Dalmonte, Pasquale Calabrese, Sara Murciano, Vittorio Vitale

arxiv:2201.03989 v1 · 2022-01-11 · cond-mat.stat-mech · hep-th · 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{ZF3QOUJY3JPNGMURHIPVNGEUBL}

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.

Cited by

1 paper in Pith

Modular evolutions and causality in two-dimensional conformal field theory

Receipt and verification

First computed	2026-07-05T04:58:53.681010Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c977075138da5ed332913a1f5698940af5e7dbded91b000302c2e45b78512f28

Aliases

arxiv: 2201.03989 · arxiv_version: 2201.03989v1 · doi: 10.48550/arxiv.2201.03989 · pith_short_12: ZF3QOUJY3JPN · pith_short_16: ZF3QOUJY3JPNGMUR · pith_short_8: ZF3QOUJY

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/ZF3QOUJY3JPNGMURHIPVNGEUBL \
  | 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: c977075138da5ed332913a1f5698940af5e7dbded91b000302c2e45b78512f28

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d9363277f04f6a11ada270b1dfd0f941babc7bbebe7584d27ba93f0d27a81b76",
    "cross_cats_sorted": [
      "hep-th",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.stat-mech",
    "submitted_at": "2022-01-11T15:08:41Z",
    "title_canon_sha256": "61d2327ad218ba41c11efec950cb4ca78495d99bc927dd3790fbb59baf889fa6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2201.03989",
    "kind": "arxiv",
    "version": 1
  }
}