Pith Number

pith:QBB5FIVU

pith:2012:QBB5FIVUS5TJ66WHSIXJ624FEJ

not attested not anchored not stored refs pending

Learning to Map Sentences to Logical Form: Structured Classification with Probabilistic Categorial Grammars

Luke S. Zettlemoyer, Michael Collins

arxiv:1207.1420 v1 · 2012-07-04 · 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{QBB5FIVUS5TJ66WHSIXJ624FEJ}

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.

Cited by

1 paper in Pith

Natural Language Interfaces for Spatial and Temporal Databases: A Comprehensive Overview of Methods, Taxonomy, and Future Directions

Receipt and verification

First computed	2026-05-18T03:51:37.146389Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8043d2a2b497669f7ac7922e9f6b8522743c8a867f7f6c56fb16886ccbce534b

Aliases

arxiv: 1207.1420 · arxiv_version: 1207.1420v1 · doi: 10.48550/arxiv.1207.1420 · pith_short_12: QBB5FIVUS5TJ · pith_short_16: QBB5FIVUS5TJ66WH · pith_short_8: QBB5FIVU

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/QBB5FIVUS5TJ66WHSIXJ624FEJ \
  | 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: 8043d2a2b497669f7ac7922e9f6b8522743c8a867f7f6c56fb16886ccbce534b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4751c19e34d2547048569045d364b3061c6dedd7eca452859de04c176136423c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2012-07-04T16:27:56Z",
    "title_canon_sha256": "963f76bf1a48a7b0080aade627153f46aadd4f183a38af7db963c6a4f2c856d7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.1420",
    "kind": "arxiv",
    "version": 1
  }
}