Pith Number

pith:CBHZKEGW

pith:2017:CBHZKEGWX6SPBSQGA3VMEGUONS

not attested not anchored not stored refs pending

A duality principle for the multi-block entanglement entropy of free fermion systems

Artemio Gonzalez-Lopez, Federico Finkel, Jose A. Carrasco, Piergiulio Tempesta

arxiv:1701.05355 v2 · 2017-01-19 · quant-ph · cond-mat.stat-mech · hep-th · 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{CBHZKEGWX6SPBSQGA3VMEGUONS}

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	2026-05-18T00:34:05.008463Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

104f9510d6bfa4f0ca0606eac21a8e6cb6a7ab80eb610135d011a958ee790765

Aliases

arxiv: 1701.05355 · arxiv_version: 1701.05355v2 · doi: 10.48550/arxiv.1701.05355 · pith_short_12: CBHZKEGWX6SP · pith_short_16: CBHZKEGWX6SPBSQG · pith_short_8: CBHZKEGW

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/CBHZKEGWX6SPBSQGA3VMEGUONS \
  | 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: 104f9510d6bfa4f0ca0606eac21a8e6cb6a7ab80eb610135d011a958ee790765

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "029b74534d76beb50159ee49ab85ab1fcd9c627b554c0984fab4db7d11bc65d4",
    "cross_cats_sorted": [
      "cond-mat.stat-mech",
      "hep-th",
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2017-01-19T10:24:09Z",
    "title_canon_sha256": "2bb84bcb1d3fec5d2ff10b2a6d1c9d05a2ece0e5a258ee0857907f1f52eb2d84"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.05355",
    "kind": "arxiv",
    "version": 2
  }
}