Pith Number

pith:B4XUZAQ3

pith:2021:B4XUZAQ3RX26JXR2D7LSG3SJ7L

not attested not anchored not stored refs pending

Understanding the Effects of Adversarial Personalized Ranking Optimization Method on Recommendation Quality

Felice Antonio Merra, Tommaso Di Noia, Vito Walter Anelli, Yashar Deldjoo

arxiv:2107.13876 v1 · 2021-07-29 · cs.IR · cs.AI · cs.CR · 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{B4XUZAQ3RX26JXR2D7LSG3SJ7L}

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	2026-07-05T03:01:41.237249Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0f2f4c821b8df5e4de3a1fd7236e49fac1328160786c3d911353ce67b619503e

Aliases

arxiv: 2107.13876 · arxiv_version: 2107.13876v1 · doi: 10.48550/arxiv.2107.13876 · pith_short_12: B4XUZAQ3RX26 · pith_short_16: B4XUZAQ3RX26JXR2 · pith_short_8: B4XUZAQ3

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/B4XUZAQ3RX26JXR2D7LSG3SJ7L \
  | 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: 0f2f4c821b8df5e4de3a1fd7236e49fac1328160786c3d911353ce67b619503e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d8e98ca11d03260e6d38176480b75c44d808e1ff7f7efae1613a52bf3054a785",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.CR",
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2021-07-29T10:22:20Z",
    "title_canon_sha256": "3938b0c268c09df0be1a2222bfda557f902d3bb0044136d685fb1d9f54f0624f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2107.13876",
    "kind": "arxiv",
    "version": 1
  }
}