Pith Number

pith:PK5QRSOA

pith:2019:PK5QRSOAI3R2U4LIKDGEZ2UUEW

not attested not anchored not stored refs pending

Quantum speedup of branch-and-bound algorithms

Ashley Montanaro

arxiv:1906.10375 v1 · 2019-06-25 · cs.DS · 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{PK5QRSOAI3R2U4LIKDGEZ2UUEW}

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.

Cited by

1 paper in Pith

Practical implementation of a quantum backtracking algorithm

Receipt and verification

First computed	2026-07-05T00:34:40.908129Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7abb08c9c046e3aa716850cc4cea94259f8607b7874695db3e46362656a980c3

Aliases

arxiv: 1906.10375 · arxiv_version: 1906.10375v1 · doi: 10.48550/arxiv.1906.10375 · pith_short_12: PK5QRSOAI3R2 · pith_short_16: PK5QRSOAI3R2U4LI · pith_short_8: PK5QRSOA

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/PK5QRSOAI3R2U4LIKDGEZ2UUEW \
  | 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: 7abb08c9c046e3aa716850cc4cea94259f8607b7874695db3e46362656a980c3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "77e597a2234c0a32e7d69dcef266698a678cc650b8993ffbe5896bfbddf3a95e",
    "cross_cats_sorted": [
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2019-06-25T08:27:50Z",
    "title_canon_sha256": "96f667c76a2ab54b6c10cba4ecbc6fefc1cd0fd4ea6cc9b63bce515f9ef677a5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.10375",
    "kind": "arxiv",
    "version": 1
  }
}