Pith Number

pith:JEWYS2C2

pith:2011:JEWYS2C2LP7XFHGXOOLLSZ67K5

not attested not anchored not stored refs pending

On composition-closed classes of Boolean functions

Tam\'as Waldhauser

arxiv:1102.4355 v1 · 2011-02-21 · math.RA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JEWYS2C2LP7XFHGXOOLLSZ67K5}

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	2026-05-18T04:28:09.154637Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

492d89685a5bff729cd77396b967df577b33a6a39f2bc5230e52fd1d03824ecc

Aliases

arxiv: 1102.4355 · arxiv_version: 1102.4355v1 · doi: 10.48550/arxiv.1102.4355 · pith_short_12: JEWYS2C2LP7X · pith_short_16: JEWYS2C2LP7XFHGX · pith_short_8: JEWYS2C2

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/JEWYS2C2LP7XFHGXOOLLSZ67K5 \
  | 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: 492d89685a5bff729cd77396b967df577b33a6a39f2bc5230e52fd1d03824ecc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "457793f36da0e56821f5efc0614404b360b9d72c67e2968a4f517ccb16929497",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RA",
    "submitted_at": "2011-02-21T21:57:42Z",
    "title_canon_sha256": "27b5a49c546d423ecba5f27be0e27573dfa3a20bd5119d69c1d026c0303a3834"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1102.4355",
    "kind": "arxiv",
    "version": 1
  }
}