Pith Number

pith:C4ZLNJI7

pith:2020:C4ZLNJI7FONUR5QSGI7CGFL5QK

not attested not anchored not stored refs pending

Criticality and entanglement in non-unitary quantum circuits and tensor networks of non-interacting fermions

Andreas W. W. Ludwig, Anna Keselman, Bela Bauer, Chao-Ming Jian

arxiv:2012.04666 v2 · 2020-12-08 · cond-mat.stat-mech · cond-mat.dis-nn · cond-mat.str-el · 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{C4ZLNJI7FONUR5QSGI7CGFL5QK}

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	2026-07-05T05:19:32.318021Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1732b6a51f2b9b48f612323e23157d8289258a3432af3081e74a447c318a3330

Aliases

arxiv: 2012.04666 · arxiv_version: 2012.04666v2 · doi: 10.48550/arxiv.2012.04666 · pith_short_12: C4ZLNJI7FONU · pith_short_16: C4ZLNJI7FONUR5QS · pith_short_8: C4ZLNJI7

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/C4ZLNJI7FONUR5QSGI7CGFL5QK \
  | 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: 1732b6a51f2b9b48f612323e23157d8289258a3432af3081e74a447c318a3330

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "694a0fab761b1846bfa56217d511ba17439d24e8ffc9c16105e64562ec86cdc5",
    "cross_cats_sorted": [
      "cond-mat.dis-nn",
      "cond-mat.str-el",
      "quant-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cond-mat.stat-mech",
    "submitted_at": "2020-12-08T19:00:04Z",
    "title_canon_sha256": "be47fd59ac29fdb15460db4a4ecd43d7d5c441f7b90e99636d17cec325ea70ea"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2012.04666",
    "kind": "arxiv",
    "version": 2
  }
}