Pith Number

pith:RGOIXFLJ

pith:2019:RGOIXFLJUTXEUR2Z7RWFB4NJZI

not attested not anchored not stored refs pending

Solving tiling puzzles with quantum annealing

Asa Eagle, Takumi Kato, Yuichiro Minato

arxiv:1904.01770 v1 · 2019-04-03 · quant-ph · cs.CC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RGOIXFLJUTXEUR2Z7RWFB4NJZI}

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	2026-05-17T23:49:29.745155Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

899c8b9569a4ee4a4759fc6c50f1a9ca36a2acc87ee1a1a0aea434e42dc1d410

Aliases

arxiv: 1904.01770 · arxiv_version: 1904.01770v1 · doi: 10.48550/arxiv.1904.01770 · pith_short_12: RGOIXFLJUTXE · pith_short_16: RGOIXFLJUTXEUR2Z · pith_short_8: RGOIXFLJ

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/RGOIXFLJUTXEUR2Z7RWFB4NJZI \
  | 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: 899c8b9569a4ee4a4759fc6c50f1a9ca36a2acc87ee1a1a0aea434e42dc1d410

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "de85db5036d2ae1b2d8b38ec45804200dc0e50c5c1c17b3a8a7119bc8f2e809c",
    "cross_cats_sorted": [
      "cs.CC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2019-04-03T04:58:04Z",
    "title_canon_sha256": "f60ca295b5e1574042c5665f71eee66ae85cc8bf34fa53ff2351c8a17f87bdf3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.01770",
    "kind": "arxiv",
    "version": 1
  }
}