Pith Number

pith:RSZQSCS6

pith:2017:RSZQSCS63NQCODQBUO542PK342

not attested not anchored not stored refs pending

Multi-Task Learning of Keyphrase Boundary Classification

Anders S{\o}gaard, Isabelle Augenstein

arxiv:1704.00514 v2 · 2017-04-03 · cs.CL · cs.AI · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RSZQSCS63NQCODQBUO542PK342}

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	2026-05-18T00:45:31.933747Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8cb3090a5edb60270e01a3bbcd3d5be695cb376527ecc32a43acbd4af5b58473

Aliases

arxiv: 1704.00514 · arxiv_version: 1704.00514v2 · doi: 10.48550/arxiv.1704.00514 · pith_short_12: RSZQSCS63NQC · pith_short_16: RSZQSCS63NQCODQB · pith_short_8: RSZQSCS6

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/RSZQSCS63NQCODQBUO542PK342 \
  | 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: 8cb3090a5edb60270e01a3bbcd3d5be695cb376527ecc32a43acbd4af5b58473

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2194210afdb3fd574b032dcae9f9786eade37527df6a6cabb883dc9c5bea359e",
    "cross_cats_sorted": [
      "cs.AI",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2017-04-03T10:25:22Z",
    "title_canon_sha256": "ecea4b718b651c4195feee74060cace6d04708e7e26147bfa76c644c3d494ae5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.00514",
    "kind": "arxiv",
    "version": 2
  }
}