Pith Number

pith:PFXKH3AC

pith:2019:PFXKH3AC4CSP7LRFJG4D4ZY2ZM

not attested not anchored not stored refs pending

Why So Down? The Role of Negative (and Positive) Pointwise Mutual Information in Distributional Semantics

Alexandre Salle, Aline Villavicencio

arxiv:1908.06941 v1 · 2019-08-19 · 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{PFXKH3AC4CSP7LRFJG4D4ZY2ZM}

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	2026-07-04T23:58:21.398931Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

796ea3ec02e0a4ffae2549b83e671acb058f43adec13dfccd849fde8c311da94

Aliases

arxiv: 1908.06941 · arxiv_version: 1908.06941v1 · doi: 10.48550/arxiv.1908.06941 · pith_short_12: PFXKH3AC4CSP · pith_short_16: PFXKH3AC4CSP7LRF · pith_short_8: PFXKH3AC

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/PFXKH3AC4CSP7LRFJG4D4ZY2ZM \
  | 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: 796ea3ec02e0a4ffae2549b83e671acb058f43adec13dfccd849fde8c311da94

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7f61fee0e487cdb64423df33b48315b37869ceaf71d47410545193ac73685044",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2019-08-19T17:26:13Z",
    "title_canon_sha256": "05285c131dc5858bf243d77791965556766b6bdc2a074f225dc5800b7a98d64d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.06941",
    "kind": "arxiv",
    "version": 1
  }
}