Pith Number

pith:ZYZMAW3R

pith:2017:ZYZMAW3RNJFO7JXYL3NFHJ7QEZ

not attested not anchored not stored refs pending

The basis of Boole's logical calculus

Giovanna Corsi, Guido Gherardi

arxiv:1710.01542 v1 · 2017-10-04 · 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{ZYZMAW3RNJFO7JXYL3NFHJ7QEZ}

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	2026-05-18T00:33:42.446306Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ce32c05b716a4aefa6f85eda53a7f0266a27bae556f0c78b85e8569041056521

Aliases

arxiv: 1710.01542 · arxiv_version: 1710.01542v1 · doi: 10.48550/arxiv.1710.01542 · pith_short_12: ZYZMAW3RNJFO · pith_short_16: ZYZMAW3RNJFO7JXY · pith_short_8: ZYZMAW3R

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/ZYZMAW3RNJFO7JXYL3NFHJ7QEZ \
  | 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: ce32c05b716a4aefa6f85eda53a7f0266a27bae556f0c78b85e8569041056521

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "084217aa3b40088e634ca08ebb3afe9db8f43afa07062203759f3c54a605ceec",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2017-10-04T10:45:34Z",
    "title_canon_sha256": "9b3d88dcc1ee206e60db5376b389b1ca2a8897272ad7685075acab5d8c5b72f9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1710.01542",
    "kind": "arxiv",
    "version": 1
  }
}