Pith Number

pith:H6QLGSKU

pith:2011:H6QLGSKUFAJKX2CNHEMVYVMTQC

not attested not anchored not stored refs pending

Learning Dependency-Based Compositional Semantics

Dan Klein, Michael I. Jordan, Percy Liang

arxiv:1109.6841 v1 · 2011-09-30 · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{H6QLGSKUFAJKX2CNHEMVYVMTQC}

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	2026-05-18T04:11:52.432127Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3fa0b349542812abe84d39195c55938091e38568a5bba7e07b04b3eee1838889

Aliases

arxiv: 1109.6841 · arxiv_version: 1109.6841v1 · doi: 10.48550/arxiv.1109.6841 · pith_short_12: H6QLGSKUFAJK · pith_short_16: H6QLGSKUFAJKX2CN · pith_short_8: H6QLGSKU

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/H6QLGSKUFAJKX2CNHEMVYVMTQC \
  | 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: 3fa0b349542812abe84d39195c55938091e38568a5bba7e07b04b3eee1838889

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "96252b15e33b2dcebedd4af1afc0165a33a34c37be22cb660153e4b1691d4e60",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2011-09-30T14:49:30Z",
    "title_canon_sha256": "2248031a2557c3adc95f7160ebb031557b46c5306ec834a4acd2627d896348fb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.6841",
    "kind": "arxiv",
    "version": 1
  }
}