Pith Number

pith:57LLLUXK

pith:2019:57LLLUXK4AGDW2QO5XGN33SXX2

not attested not anchored not stored refs pending

Syntax-aware Neural Semantic Role Labeling with Supertags

Dan Friedman, Dragomir Radev, Jungo Kasai, Owen Rambow, Robert Frank

arxiv:1903.05260 v2 · 2019-03-12 · 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{57LLLUXK4AGDW2QO5XGN33SXX2}

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	2026-05-17T23:49:24.496647Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

efd6b5d2eae00c3b6a0eedccddee57be85d5bd3afd6fddbcad589505da7c6f75

Aliases

arxiv: 1903.05260 · arxiv_version: 1903.05260v2 · doi: 10.48550/arxiv.1903.05260 · pith_short_12: 57LLLUXK4AGD · pith_short_16: 57LLLUXK4AGDW2QO · pith_short_8: 57LLLUXK

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/57LLLUXK4AGDW2QO5XGN33SXX2 \
  | 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: efd6b5d2eae00c3b6a0eedccddee57be85d5bd3afd6fddbcad589505da7c6f75

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "74797effd102fc1e5f6cb051e8c8ec69cc2ce55a4e1308b736d3b0bea4d76af7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2019-03-12T23:35:32Z",
    "title_canon_sha256": "1a60f474bc5732c43993f04dc834941bdc7b375f8f240920a9f7e25220ba8c5d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.05260",
    "kind": "arxiv",
    "version": 2
  }
}