Pith Number

pith:I75YI4GM

pith:2011:I75YI4GMRC2Z536IDG7WC4DGZP

not attested not anchored not stored refs pending

Brun-Type Formalism for Decoherence in Two Dimensional Quantum Walks

Clement Ampadu

arxiv:1104.2061 v5 · 2011-04-11 · quant-ph · 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{I75YI4GMRC2Z536IDG7WC4DGZP}

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	2026-05-18T04:05:38.759863Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

47fb8470cc88b59eefc819bf617066cbd95cac1aee55f9d799668e4c2f9f83e4

Aliases

arxiv: 1104.2061 · arxiv_version: 1104.2061v5 · doi: 10.48550/arxiv.1104.2061 · pith_short_12: I75YI4GMRC2Z · pith_short_16: I75YI4GMRC2Z536I · pith_short_8: I75YI4GM

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/I75YI4GMRC2Z536IDG7WC4DGZP \
  | 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: 47fb8470cc88b59eefc819bf617066cbd95cac1aee55f9d799668e4c2f9f83e4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a6862c78729c68649875f68150c005cd43a0a76af6da409bdb6efcb85623477c",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2011-04-11T20:40:13Z",
    "title_canon_sha256": "aa931ee6ecb3bf0c90d9265ecc2ef22d29c4611f2cc2e7fc68d6a611f3117a7f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1104.2061",
    "kind": "arxiv",
    "version": 5
  }
}