pith. sign in
Pith Number

pith:X5YYDONH

pith:2018:X5YYDONHXEYDKERYTAVW6YJEID
not attested not anchored not stored refs pending

Dialectica Categories for the Lambek Calculus

Harley Eades III, Valeria de Paiva

arxiv:1801.06883 v1 · 2018-01-21 · cs.LO

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{X5YYDONHXEYDKERYTAVW6YJEID}

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 2026-05-18T00:25:22.876517Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

bf7181b9a7b930351238982b6f612440e5a4e6f7afba1542da3309b3893ec3f0

Aliases

arxiv: 1801.06883 · arxiv_version: 1801.06883v1 · doi: 10.48550/arxiv.1801.06883 · pith_short_12: X5YYDONHXEYD · pith_short_16: X5YYDONHXEYDKERY · pith_short_8: X5YYDONH
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/X5YYDONHXEYDKERYTAVW6YJEID \
  | 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: bf7181b9a7b930351238982b6f612440e5a4e6f7afba1542da3309b3893ec3f0
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "fdd5bb209e2a6d2a0485472829b1bdb58121cf3870d9bc7458ed98920570ca34",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2018-01-21T19:32:37Z",
    "title_canon_sha256": "91bda7ade4fdae084cbed1df1b8309726cc897140662dfb2ad475735e326ef09"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.06883",
    "kind": "arxiv",
    "version": 1
  }
}