Pith Number

pith:OCMFEE43

pith:2017:OCMFEE43LUBB2G3PD3ZUDBT6CL

not attested not anchored not stored refs pending

An introduction to Lorenzen's "Algebraic and logistic investigations on free lattices" (1951)

Henri Lombardi, Stefan Neuwirth, Thierry Coquand

arxiv:1711.06139 v3 · 2017-11-14 · math.LO · math.HO

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Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OCMFEE43LUBB2G3PD3ZUDBT6CL}

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.

Cited by

1 paper in Pith

In 1955, Paul Lorenzen clears the sky in foundations of mathematics for Hermann Weyl

Receipt and verification

First computed	2026-07-05T09:39:48.805943Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

709852139b5d021d1b6f1ef341867e12f2788d6d8819d0f58cfbf23c5219748b

Aliases

arxiv: 1711.06139 · arxiv_version: 1711.06139v3 · doi: 10.48550/arxiv.1711.06139 · pith_short_12: OCMFEE43LUBB · pith_short_16: OCMFEE43LUBB2G3P · pith_short_8: OCMFEE43

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/OCMFEE43LUBB2G3PD3ZUDBT6CL \
  | 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: 709852139b5d021d1b6f1ef341867e12f2788d6d8819d0f58cfbf23c5219748b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "59bae8eeb354419cd3e92cd34f90e94be1ec233a55d2049849b5f47243a67034",
    "cross_cats_sorted": [
      "math.HO"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2017-11-14T21:45:23Z",
    "title_canon_sha256": "65639ea2e1ec347f2022942039708f277b56d7482c2cc66942517b0c82084e0b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.06139",
    "kind": "arxiv",
    "version": 3
  }
}