Pith Number

pith:EFT45QYT

pith:2011:EFT45QYTUTEWSH7G2NDX6H7FYL

not attested not anchored not stored refs pending

Von Neumann Entanglement and Decoherence in Two Dimensional Quantum Walks

Clement Ampadu

arxiv:1110.1917 v1 · 2011-10-10 · math-ph · math.MP · 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{EFT45QYTUTEWSH7G2NDX6H7FYL}

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	2026-05-18T04:11:19.319735Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2167cec313a4c9691fe6d3477f1fe5c2d3d1e68f8b86ae547d8fa6befa97475f

Aliases

arxiv: 1110.1917 · arxiv_version: 1110.1917v1 · doi: 10.48550/arxiv.1110.1917 · pith_short_12: EFT45QYTUTEW · pith_short_16: EFT45QYTUTEWSH7G · pith_short_8: EFT45QYT

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/EFT45QYTUTEWSH7G2NDX6H7FYL \
  | 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: 2167cec313a4c9691fe6d3477f1fe5c2d3d1e68f8b86ae547d8fa6befa97475f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2b5260ebc5faf0964cce9f9a6a60bea00ee04b48e4c20bbbdfec8e2c99f67b81",
    "cross_cats_sorted": [
      "math.MP",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2011-10-10T03:38:23Z",
    "title_canon_sha256": "5df39d38bce018464ed0e0236e6368909130f94aa30a574b51737093dc8b7bac"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1110.1917",
    "kind": "arxiv",
    "version": 1
  }
}