Pith Number

pith:DHMCQJB3

pith:2020:DHMCQJB3ZFDFP74WN73HQUP6RK

not attested not anchored not stored refs pending

Lambek-Grishin Calculus: Focusing, Display and Full Polarization

Apostolos Tzimoulis, Giuseppe Greco, Michael Moortgat, Valentin D. Richard

arxiv:2011.02895 v1 · 2020-11-05 · math.LO · cs.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{DHMCQJB3ZFDFP74WN73HQUP6RK}

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	2026-07-05T01:49:27.031756Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

19d828243bc94657ff966ff67851fe8aa84c7e8acab204d6e1e30b4d292a7404

Aliases

arxiv: 2011.02895 · arxiv_version: 2011.02895v1 · doi: 10.48550/arxiv.2011.02895 · pith_short_12: DHMCQJB3ZFDF · pith_short_16: DHMCQJB3ZFDFP74W · pith_short_8: DHMCQJB3

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/DHMCQJB3ZFDFP74WN73HQUP6RK \
  | 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: 19d828243bc94657ff966ff67851fe8aa84c7e8acab204d6e1e30b4d292a7404

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b4b2afec8b8216f2a1c95f65249e3b057fd29737e191844fa45937467e695b3d",
    "cross_cats_sorted": [
      "cs.LO"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2020-11-05T15:13:55Z",
    "title_canon_sha256": "0c94b97d1eaefb11c48b008c28f569d993df26a29d2fc44088286f1c9fb674cc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2011.02895",
    "kind": "arxiv",
    "version": 1
  }
}