Pith Number

pith:2SYPV5QV

pith:2014:2SYPV5QV7KADLRDB4GYL57OJZP

not attested not anchored not stored refs pending

A note on drastic product logic

Diego Valota, Matteo Bianchi, Stefano Aguzzoli

arxiv:1406.7166 v1 · 2014-06-27 · math.LO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2SYPV5QV7KADLRDB4GYL57OJZP}

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	2026-05-18T02:48:53.938671Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d4b0faf615fa8035c461e1b0befdc9cbe245c92f412e5a7271b4665fc59180ef

Aliases

arxiv: 1406.7166 · arxiv_version: 1406.7166v1 · doi: 10.48550/arxiv.1406.7166 · pith_short_12: 2SYPV5QV7KAD · pith_short_16: 2SYPV5QV7KADLRDB · pith_short_8: 2SYPV5QV

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/2SYPV5QV7KADLRDB4GYL57OJZP \
  | 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: d4b0faf615fa8035c461e1b0befdc9cbe245c92f412e5a7271b4665fc59180ef

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ba18472913e0ef8036269cbe5fce9f027ddf138314e7159d6cd10628743c4a88",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2014-06-27T12:27:48Z",
    "title_canon_sha256": "d7ca093eb190ce1bfe4a611c34777c4992ec6aaa5031be1c92850ccd8c42da18"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1406.7166",
    "kind": "arxiv",
    "version": 1
  }
}