Pith Number

pith:OB3DMXLS

pith:2024:OB3DMXLS42HX6O3AZEQCJBI6RW

not attested not anchored not stored refs pending

Entanglement of free-fermion systems, signal processing and algebraic combinatorics

Gilles Parez, Luc Vinet, Nicolas Cramp\'e, Pierre-Antoine Bernard, Rafael I. Nepomechie

arxiv:2401.07150 v2 · 2024-01-13 · quant-ph · cond-mat.stat-mech · math-ph · 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{OB3DMXLS42HX6O3AZEQCJBI6RW}

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

Entanglement Hamiltonian after a local quench

Receipt and verification

First computed	2026-07-05T08:30:31.070446Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7076365d72e68f7f3b60c92024851e8d9374ac15d5cb29c827608ab4a2328854

Aliases

arxiv: 2401.07150 · arxiv_version: 2401.07150v2 · doi: 10.48550/arxiv.2401.07150 · pith_short_12: OB3DMXLS42HX · pith_short_16: OB3DMXLS42HX6O3A · pith_short_8: OB3DMXLS

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/OB3DMXLS42HX6O3AZEQCJBI6RW \
  | 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: 7076365d72e68f7f3b60c92024851e8d9374ac15d5cb29c827608ab4a2328854

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "47de826679a57f7843524dccb3c9ec80276e612f23909271ceaebcaa00cea4f7",
    "cross_cats_sorted": [
      "cond-mat.stat-mech",
      "math-ph",
      "math.MP"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2024-01-13T19:44:39Z",
    "title_canon_sha256": "93e71d86c16c8a470c8f38a73a7f3f236886a537b2eb7e6d31a7b4ba6b207ede"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2401.07150",
    "kind": "arxiv",
    "version": 2
  }
}