Pith Number

pith:FAKKKQVH

pith:2013:FAKKKQVHCYMPPO7XOWPCGD34EJ

not attested not anchored not stored refs pending

Using qualia information to identify lexical semantic classes in an unsupervised clustering task

Lauren Romeo, N\'uria Bel, Sara Mendes

arxiv:1303.2449 v1 · 2013-03-11 · 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{FAKKKQVHCYMPPO7XOWPCGD34EJ}

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	2026-05-18T03:31:19.004720Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2814a542a71618f7bbf7759e230f7c225a1509cc40d24b1bebd438f2bc81fc3c

Aliases

arxiv: 1303.2449 · arxiv_version: 1303.2449v1 · doi: 10.48550/arxiv.1303.2449 · pith_short_12: FAKKKQVHCYMP · pith_short_16: FAKKKQVHCYMPPO7X · pith_short_8: FAKKKQVH

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/FAKKKQVHCYMPPO7XOWPCGD34EJ \
  | 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: 2814a542a71618f7bbf7759e230f7c225a1509cc40d24b1bebd438f2bc81fc3c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5fd3593c8bc051c8adb82fb843d30585dec90a5cd912c863c79e1ed0e7e36ddf",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/3.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2013-03-11T08:21:48Z",
    "title_canon_sha256": "e04d10ef42bf680b70ea97b88ae9ea79ff510aa68eb791dab795afbd3fc076f2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.2449",
    "kind": "arxiv",
    "version": 1
  }
}