Pith Number

pith:CNC4AJKE

pith:2015:CNC4AJKECWQ6WF326ZDCWUOIRM

not attested not anchored not stored refs pending

Tree Search and Quantum Computation

Andreas Wichert, Lu\'is Tarrataca

arxiv:1502.01951 v1 · 2015-02-06 · 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{CNC4AJKECWQ6WF326ZDCWUOIRM}

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	2026-05-18T02:27:50.389062Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1345c0254415a1eb177af6462b51c88b2d862b44c0373e98879d7cca3c1b0029

Aliases

arxiv: 1502.01951 · arxiv_version: 1502.01951v1 · doi: 10.48550/arxiv.1502.01951 · pith_short_12: CNC4AJKECWQ6 · pith_short_16: CNC4AJKECWQ6WF32 · pith_short_8: CNC4AJKE

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/CNC4AJKECWQ6WF326ZDCWUOIRM \
  | 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: 1345c0254415a1eb177af6462b51c88b2d862b44c0373e98879d7cca3c1b0029

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "60c43f5f3ef133f8da349b25dc6c66464394f3083d589bb1edc25dadef7196c1",
    "cross_cats_sorted": [
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2015-02-06T16:55:10Z",
    "title_canon_sha256": "817bb12d08d88031b12acb3902df2dd5630165aac90617bd8e820c124847b650"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.01951",
    "kind": "arxiv",
    "version": 1
  }
}