Pith Number

pith:CWDQJXHV

pith:2009:CWDQJXHV53EEMSUC55AYT7UV4P

not attested not anchored not stored refs pending

Decoherence in Search Algorithms

A.C. Oliveira, F.L. Marquezino, G. Abal, R. Donangelo, R. Portugal

arxiv:0912.1523 v1 · 2009-12-08 · quant-ph · cs.CC · cs.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CWDQJXHV53EEMSUC55AYT7UV4P}

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	2026-05-18T03:55:25.179937Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

158704dcf5eec8464a82ef4189fe95e3d66883356ca5e8212dbd9520c5160c79

Aliases

arxiv: 0912.1523 · arxiv_version: 0912.1523v1 · doi: 10.48550/arxiv.0912.1523 · pith_short_12: CWDQJXHV53EE · pith_short_16: CWDQJXHV53EEMSUC · pith_short_8: CWDQJXHV

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/CWDQJXHV53EEMSUC55AYT7UV4P \
  | 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: 158704dcf5eec8464a82ef4189fe95e3d66883356ca5e8212dbd9520c5160c79

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b24d22847dcf954c28e61b49878648d3d8e5533594c8373749d10d0398c78394",
    "cross_cats_sorted": [
      "cs.CC",
      "cs.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2009-12-08T15:32:26Z",
    "title_canon_sha256": "a13cd3739a22d6bbd35d9e9e8ac3054852e51c28fd7a3e9e29aa036b4cec5653"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0912.1523",
    "kind": "arxiv",
    "version": 1
  }
}