Pith Number

pith:NTD67T55

pith:2021:NTD67T553S5ZXQP7SV3YIIMQDV

not attested not anchored not stored refs pending

Vector Space Semantics for Lambek Calculus with Soft Subexponentials

Hadi Wazni, Lachlan McPheat, Mehrnoosh Sadrzadeh

arxiv:2111.11331 v3 · 2021-11-22 · cs.LO · cs.CL

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NTD67T553S5ZXQP7SV3YIIMQDV}

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	2026-07-05T06:57:49.091690Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6cc7efcfbddcbb9bc1ff95778421901d6c83c989658f8ead394419ef27746f9b

Aliases

arxiv: 2111.11331 · arxiv_version: 2111.11331v3 · doi: 10.48550/arxiv.2111.11331 · pith_short_12: NTD67T553S5Z · pith_short_16: NTD67T553S5ZXQP7 · pith_short_8: NTD67T55

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/NTD67T553S5ZXQP7SV3YIIMQDV \
  | 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: 6cc7efcfbddcbb9bc1ff95778421901d6c83c989658f8ead394419ef27746f9b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bf2588ece5096cbe6ac858084e2d1dea27ca293901c87bd871f5295469284f99",
    "cross_cats_sorted": [
      "cs.CL"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2021-11-22T16:39:30Z",
    "title_canon_sha256": "48d1570be64395300ab826d47eaa3d63037350b8fb7d38bcd4dce14c5fabd358"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2111.11331",
    "kind": "arxiv",
    "version": 3
  }
}