Pith Number

pith:2GLRQQNS

pith:2012:2GLRQQNSHUALV73627NQ2W2ECX

not attested not anchored not stored refs pending

Testing Booleanity and the Uncertainty Principle

Omer Tamuz, Tom Gur

arxiv:1204.0944 v2 · 2012-04-04 · cs.DM · cs.CC · cs.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2GLRQQNSHUALV73627NQ2W2ECX}

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	2026-05-18T03:07:32.117159Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d1971841b23d00baff7ed7db0d5b4415e6d6089c3c689c9c8917f0a0f2393f79

Aliases

arxiv: 1204.0944 · arxiv_version: 1204.0944v2 · doi: 10.48550/arxiv.1204.0944 · pith_short_12: 2GLRQQNSHUAL · pith_short_16: 2GLRQQNSHUALV736 · pith_short_8: 2GLRQQNS

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/2GLRQQNSHUALV73627NQ2W2ECX \
  | 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: d1971841b23d00baff7ed7db0d5b4415e6d6089c3c689c9c8917f0a0f2393f79

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bdeff560e4cc2032945e3f8e48006a00fb5b88b37b33aa52be72fc5209160d82",
    "cross_cats_sorted": [
      "cs.CC",
      "cs.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DM",
    "submitted_at": "2012-04-04T13:09:30Z",
    "title_canon_sha256": "12d478973edac4411fc7c211e50aed6af07e04b3462ae8e542f56478cae9d662"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.0944",
    "kind": "arxiv",
    "version": 2
  }
}