Pith Number

pith:CHKO7KZC

pith:2024:CHKO7KZC6VJUM2HVRIGS5NCTKC

not attested not anchored not stored refs pending

Rethinking negative sampling in content-based news recommendation

\'Alvaro Figueira, Ivo Pereira, Jo\~ao Vinagre, Miguel \^Angelo Rebelo

arxiv:2411.08700 v1 · 2024-11-13 · cs.IR · cs.AI · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CHKO7KZC6VJUM2HVRIGS5NCTKC}

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	2026-07-05T09:35:01.212213Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

11d4efab22f5534668f58a0d2eb45350af1ed474761615ab3a91194866d89cb6

Aliases

arxiv: 2411.08700 · arxiv_version: 2411.08700v1 · doi: 10.48550/arxiv.2411.08700 · pith_short_12: CHKO7KZC6VJU · pith_short_16: CHKO7KZC6VJUM2HV · pith_short_8: CHKO7KZC

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/CHKO7KZC6VJUM2HVRIGS5NCTKC \
  | 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: 11d4efab22f5534668f58a0d2eb45350af1ed474761615ab3a91194866d89cb6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ca20aa02147205692fdf9cd932e663160957a0f094f778ba3a166518836b40ad",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2024-11-13T15:42:13Z",
    "title_canon_sha256": "96958c2dd3848a8a958cc3a0a9d617efaa8b84600fd7dc49e781440afc46f4f0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2411.08700",
    "kind": "arxiv",
    "version": 1
  }
}