Pith Number

pith:54WBENWZ

pith:2018:54WBENWZZ6XIJI6MONA4EJRWHL

not attested not anchored not stored refs pending

A quantum walk assisted approximate algorithm for bounded NP optimisation problems

Jingbo Wang, Samuel Marsh

arxiv:1804.08227 v2 · 2018-04-23 · 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{54WBENWZZ6XIJI6MONA4EJRWHL}

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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

Quantum Approximate Optimisation Applied to Graph Similarity

Receipt and verification

First computed	2026-07-05T03:00:43.431115Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ef2c1236d9cfae84a3cc7341c226363ad81deee366e9504e619cee52a5acb86c

Aliases

arxiv: 1804.08227 · arxiv_version: 1804.08227v2 · doi: 10.48550/arxiv.1804.08227 · pith_short_12: 54WBENWZZ6XI · pith_short_16: 54WBENWZZ6XIJI6M · pith_short_8: 54WBENWZ

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/54WBENWZZ6XIJI6MONA4EJRWHL \
  | 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: ef2c1236d9cfae84a3cc7341c226363ad81deee366e9504e619cee52a5acb86c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4152c316fcff0965c644bc9c21b5ab266d5fe6897434552ce787d5c3fc8afc9c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2018-04-23T02:23:14Z",
    "title_canon_sha256": "81018de32ff54a7a7e78811b0a7b2a39d2818f287ae9dfa0d47a99d3b19b6f19"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.08227",
    "kind": "arxiv",
    "version": 2
  }
}