Pith Number

pith:BLAJZYJP

pith:2019:BLAJZYJP6BXLXT5FPAWX64JFPA

not attested not anchored not stored refs pending

A pattern recognition algorithm for quantum annealers

Frederic Bapst, Heather Gray, Lucy Linder, Paolo Calafiura, Wahid Bhimji, Wim Lavrijsen

arxiv:1902.08324 v1 · 2019-02-22 · 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{BLAJZYJP6BXLXT5FPAWX64JFPA}

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	2026-05-17T23:52:57.654279Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0ac09ce12ff06ebbcfa5782d7f7125782525930930c6b769b599f27886fb9257

Aliases

arxiv: 1902.08324 · arxiv_version: 1902.08324v1 · doi: 10.48550/arxiv.1902.08324 · pith_short_12: BLAJZYJP6BXL · pith_short_16: BLAJZYJP6BXLXT5F · pith_short_8: BLAJZYJP

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/BLAJZYJP6BXLXT5FPAWX64JFPA \
  | 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: 0ac09ce12ff06ebbcfa5782d7f7125782525930930c6b769b599f27886fb9257

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6b01b4c2f498690acedc750581f0046772f8a20f86002feaf624517accd8a09c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2019-02-22T00:58:58Z",
    "title_canon_sha256": "094dced68a251d63737aa84fe66a2f6df3452ccb59160f8fc9655bf31e72ae50"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.08324",
    "kind": "arxiv",
    "version": 1
  }
}