Pith Number

pith:WDVRKQSZ

pith:2013:WDVRKQSZWPSR4ONMLVRB7CHTL5

not attested not anchored not stored refs pending

Entropic Barriers for Two-Dimensional Quantum Memories

Abbas Al-Shimary, Benjamin J. Brown, Jiannis K. Pachos

arxiv:1307.6222 v3 · 2013-07-23 · quant-ph · cond-mat.stat-mech

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WDVRKQSZWPSR4ONMLVRB7CHTL5}

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	2026-05-18T02:55:20.550248Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b0eb154259b3e51e39ac5d621f88f35f5a7d1c0b87327c132f9418ab4398601d

Aliases

arxiv: 1307.6222 · arxiv_version: 1307.6222v3 · doi: 10.48550/arxiv.1307.6222 · pith_short_12: WDVRKQSZWPSR · pith_short_16: WDVRKQSZWPSR4ONM · pith_short_8: WDVRKQSZ

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/WDVRKQSZWPSR4ONMLVRB7CHTL5 \
  | 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: b0eb154259b3e51e39ac5d621f88f35f5a7d1c0b87327c132f9418ab4398601d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ad058338bb16e2a180bb6c52d8c9901440399a1cd29dd61848cb6d221bbd6c6f",
    "cross_cats_sorted": [
      "cond-mat.stat-mech"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2013-07-23T20:01:16Z",
    "title_canon_sha256": "28618333b5ff00643dcff1b80176216848a507acc9bda53f6a77c9631b5d7b51"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.6222",
    "kind": "arxiv",
    "version": 3
  }
}