Pith Number

pith:Q5OCIMIO

pith:2018:Q5OCIMIOSKUJQWLKAY2AJQ2IHI

not attested not anchored not stored refs pending

Jointly Learning to Label Sentences and Tokens

Anders S{\o}gaard, Marek Rei

arxiv:1811.05949 v1 · 2018-11-14 · cs.CL · cs.LG · cs.NE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Q5OCIMIOSKUJQWLKAY2AJQ2IHI}

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	2026-05-18T00:00:41.784915Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

875c24310e92a898596a063404c3483a2c77d4e5300336bb14fcb6139552a10c

Aliases

arxiv: 1811.05949 · arxiv_version: 1811.05949v1 · doi: 10.48550/arxiv.1811.05949 · pith_short_12: Q5OCIMIOSKUJ · pith_short_16: Q5OCIMIOSKUJQWLK · pith_short_8: Q5OCIMIO

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/Q5OCIMIOSKUJQWLKAY2AJQ2IHI \
  | 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: 875c24310e92a898596a063404c3483a2c77d4e5300336bb14fcb6139552a10c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "35e27fdaa5a44f6a17acf9c6cf529937147befd0559f0a75bfd59f8e93c9f57e",
    "cross_cats_sorted": [
      "cs.LG",
      "cs.NE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2018-11-14T18:32:18Z",
    "title_canon_sha256": "5d99a01c696c2cb5d10c135313f1115d1e5e92f7862b1880213f8d3a5ca46d9c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.05949",
    "kind": "arxiv",
    "version": 1
  }
}