Pith Number

pith:S474KUL5

pith:2024:S474KUL57E77CNPLOL5FE75EHG

not attested not anchored not stored refs pending

Pre-Trained Language Models for Keyphrase Prediction: A Review

Muhammad Umair, Tangina Sultana, Young-Koo Lee

arxiv:2409.01087 v1 · 2024-09-02 · cs.CL · 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{S474KUL57E77CNPLOL5FE75EHG}

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	2026-07-05T09:01:58.867838Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

973fc5517df93ff135eb72fa527fa43999a67054bdfa110061954e8c63de22e2

Aliases

arxiv: 2409.01087 · arxiv_version: 2409.01087v1 · doi: 10.48550/arxiv.2409.01087 · pith_short_12: S474KUL57E77 · pith_short_16: S474KUL57E77CNPL · pith_short_8: S474KUL5

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/S474KUL57E77CNPLOL5FE75EHG \
  | 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: 973fc5517df93ff135eb72fa527fa43999a67054bdfa110061954e8c63de22e2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "367d988de65fc4bfbc660902207065dc68ecbf3664f0845fbe78dc25c5d70d9d",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2024-09-02T09:15:44Z",
    "title_canon_sha256": "3f21ae4ca6d9d63619721aed157a2c669babd4c38fbb491e59bcb6643235499a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2409.01087",
    "kind": "arxiv",
    "version": 1
  }
}