Pith Number

pith:N45KEUWG

pith:2018:N45KEUWGL346SVZUB3MM2NLOFC

not attested not anchored not stored refs pending

Left residuated operators induced by posets with a unary operation

Helmut L\"anger, Ivan Chajda

arxiv:1810.07214 v1 · 2018-10-16 · 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{N45KEUWGL346SVZUB3MM2NLOFC}

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	2026-05-18T00:02:59.172063Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6f3aa252c65ef9e957340ed8cd356e28b0ef7b62e1d24331efac396ed4f63a57

Aliases

arxiv: 1810.07214 · arxiv_version: 1810.07214v1 · doi: 10.48550/arxiv.1810.07214 · pith_short_12: N45KEUWGL346 · pith_short_16: N45KEUWGL346SVZU · pith_short_8: N45KEUWG

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/N45KEUWGL346SVZUB3MM2NLOFC \
  | 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: 6f3aa252c65ef9e957340ed8cd356e28b0ef7b62e1d24331efac396ed4f63a57

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7aac2c9d6520824d9b96d6c53bc4a9099559c3c4f81cc845dfa536f09c6addb6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2018-10-16T18:14:29Z",
    "title_canon_sha256": "f121d34f83de02db0c0f56046c711dea9f64bd4f18c46a69172040499b573a82"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.07214",
    "kind": "arxiv",
    "version": 1
  }
}