Pith Number

pith:OOATAXNB

pith:2019:OOATAXNBBLYUB4M44G5FXS4U6M

not attested not anchored not stored refs pending

Effective Finite-Valued Approximations of General Propositional Logics

Matthias Baaz, Richard Zach

arxiv:1908.01200 v1 · 2019-08-03 · 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{OOATAXNBBLYUB4M44G5FXS4U6M}

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	2026-07-04T23:51:27.917543Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7381305da10af140f19ce1ba5bcb94f30fecd95395677e5e399d0aebfc4adad7

Aliases

arxiv: 1908.01200 · arxiv_version: 1908.01200v1 · doi: 10.48550/arxiv.1908.01200 · pith_short_12: OOATAXNBBLYU · pith_short_16: OOATAXNBBLYUB4M4 · pith_short_8: OOATAXNB

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/OOATAXNBBLYUB4M44G5FXS4U6M \
  | 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: 7381305da10af140f19ce1ba5bcb94f30fecd95395677e5e399d0aebfc4adad7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d02c65233163ad67ac3f8a9bd9c395a0268764b7b3251feacd5a787d50529fc6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2019-08-03T17:06:48Z",
    "title_canon_sha256": "274d904ce085f4e79a9a89b9ba5e9e5614b4a53ae46125693e805aa26d3807b8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.01200",
    "kind": "arxiv",
    "version": 1
  }
}