Pith Number

pith:SWGE5NHH

pith:2021:SWGE5NHHCORXRRNK5V3OQ6LG5J

not attested not anchored not stored refs pending

Genuinely quantum SudoQ and its cardinality

Adam Burchardt, Grzegorz Rajchel-Mieldzio\'c, Jerzy Paczos, Karol \.Zyczkowski, Marcin Wierzbi\'nski

arxiv:2106.02967 v2 · 2021-06-05 · 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{SWGE5NHHCORXRRNK5V3OQ6LG5J}

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	2026-07-05T04:11:46.012615Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

958c4eb4e713a378c5aaed76e87966ea704a24f4710d379d2e17e4a685ba0e43

Aliases

arxiv: 2106.02967 · arxiv_version: 2106.02967v2 · doi: 10.48550/arxiv.2106.02967 · pith_short_12: SWGE5NHHCORX · pith_short_16: SWGE5NHHCORXRRNK · pith_short_8: SWGE5NHH

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/SWGE5NHHCORXRRNK5V3OQ6LG5J \
  | 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: 958c4eb4e713a378c5aaed76e87966ea704a24f4710d379d2e17e4a685ba0e43

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a309c7cb1f8769fcf3ff187b750769db8fa229fc59a1018a547a508ca53f04a7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2021-06-05T21:22:40Z",
    "title_canon_sha256": "3447f4b4cc18b8683207626b05b3963812f4c507d100108e7e5f8bacd8be6518"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2106.02967",
    "kind": "arxiv",
    "version": 2
  }
}