Pith Number

pith:BF4YYLUE

pith:2020:BF4YYLUES2M7OCQDAL7LIONSCZ

not attested not anchored not stored refs pending

SudoQ -- a quantum variant of the popular game

Ion Nechita, Jordi Pillet

arxiv:2005.10862 v1 · 2020-05-21 · 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{BF4YYLUES2M7OCQDAL7LIONSCZ}

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	2026-07-05T01:05:03.248987Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

09798c2e849699f70a0302feb439b216551625565b59644e9636e0edd37ceb6e

Aliases

arxiv: 2005.10862 · arxiv_version: 2005.10862v1 · doi: 10.48550/arxiv.2005.10862 · pith_short_12: BF4YYLUES2M7 · pith_short_16: BF4YYLUES2M7OCQD · pith_short_8: BF4YYLUE

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/BF4YYLUES2M7OCQDAL7LIONSCZ \
  | 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: 09798c2e849699f70a0302feb439b216551625565b59644e9636e0edd37ceb6e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9dcb3480ec7b4d0b384bf5a57688e3e9dc42ef3c4340eb72f6f59d2ae8cb59b6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2020-05-21T19:19:51Z",
    "title_canon_sha256": "347c4c6d72ed15d4b9cd657c69d2c6e3fe1c977d14988be91d8015843c6207c7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2005.10862",
    "kind": "arxiv",
    "version": 1
  }
}