Pith Number

pith:D4JDTOZL

pith:2019:D4JDTOZLXWY7GS3EFBT7VB4JNE

not attested not anchored not stored refs pending

Properties of the connective implication in effect algebras

Helmut L\"anger, Ivan Chajda

arxiv:1908.05315 v1 · 2019-08-14 · 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{D4JDTOZLXWY7GS3EFBT7VB4JNE}

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	2026-07-04T23:56:50.045984Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1f1239bb2bbdb1f34b642867fa8789692fccf546fe30117374cbda11c348ad10

Aliases

arxiv: 1908.05315 · arxiv_version: 1908.05315v1 · doi: 10.48550/arxiv.1908.05315 · pith_short_12: D4JDTOZLXWY7 · pith_short_16: D4JDTOZLXWY7GS3E · pith_short_8: D4JDTOZL

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/D4JDTOZLXWY7GS3EFBT7VB4JNE \
  | 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: 1f1239bb2bbdb1f34b642867fa8789692fccf546fe30117374cbda11c348ad10

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "46b8d087d0096d14179756f2739e366e49dc0ef78b0ba521b3ab4024f9461270",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2019-08-14T19:09:08Z",
    "title_canon_sha256": "424ffcbe8aedbc0480a8d16b5a6c71c2c5a6812a229387410c8dfb02718f09c8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.05315",
    "kind": "arxiv",
    "version": 1
  }
}