Pith Number

pith:XA5TSD63

pith:2020:XA5TSD63GRGXWB3JVFWI3B2WGW

not attested not anchored not stored refs pending

Improved thermal area law and quasi-linear time algorithm for quantum Gibbs states

\'Alvaro M. Alhambra, Anurag Anshu, Tomotaka Kuwahara

arxiv:2007.11174 v2 · 2020-07-22 · quant-ph · cond-mat.dis-nn · 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{XA5TSD63GRGXWB3JVFWI3B2WGW}

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

Conditional Independence of 1D Gibbs States with Applications to Efficient Learning

Receipt and verification

First computed	2026-07-05T02:22:05.410429Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b83b390fdb344d7b0769a96c8d87563581154ba27a5a93816ce021f7cea65a4c

Aliases

arxiv: 2007.11174 · arxiv_version: 2007.11174v2 · doi: 10.48550/arxiv.2007.11174 · pith_short_12: XA5TSD63GRGX · pith_short_16: XA5TSD63GRGXWB3J · pith_short_8: XA5TSD63

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/XA5TSD63GRGXWB3JVFWI3B2WGW \
  | 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: b83b390fdb344d7b0769a96c8d87563581154ba27a5a93816ce021f7cea65a4c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "32f9dcb74747108f75a553799d1e16d78bae9ebbf5c39c0a8f2e9ca89fc9209a",
    "cross_cats_sorted": [
      "cond-mat.dis-nn",
      "cond-mat.stat-mech",
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2020-07-22T02:55:27Z",
    "title_canon_sha256": "327e25402b830eb9d1c143a8180dc2c552ff7fcb7542d7b15f1632de7eae2866"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2007.11174",
    "kind": "arxiv",
    "version": 2
  }
}