Pith Number

pith:PX23ZH57

pith:2020:PX23ZH57X4GP7Q2V6AEYOAHSFL

not attested not anchored not stored refs pending

FedeRank: User Controlled Feedback with Federated Recommender Systems

Antonio Ferrara, Fedelucio Narducci, Tommaso Di Noia, Vito Walter Anelli, Yashar Deldjoo

arxiv:2012.11328 v3 · 2020-12-15 · cs.IR · cs.DC · 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{PX23ZH57X4GP7Q2V6AEYOAHSFL}

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	2026-07-05T02:08:21.387117Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7df5bc9fbfbf0cffc355f0098700f22acbeade5cd8036d8a927560c107e9b271

Aliases

arxiv: 2012.11328 · arxiv_version: 2012.11328v3 · doi: 10.48550/arxiv.2012.11328 · pith_short_12: PX23ZH57X4GP · pith_short_16: PX23ZH57X4GP7Q2V · pith_short_8: PX23ZH57

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/PX23ZH57X4GP7Q2V6AEYOAHSFL \
  | 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: 7df5bc9fbfbf0cffc355f0098700f22acbeade5cd8036d8a927560c107e9b271

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1b75b1c7ea50479aef783f514eec86813e3e2827aadf060eff42a68944593649",
    "cross_cats_sorted": [
      "cs.DC",
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2020-12-15T22:26:54Z",
    "title_canon_sha256": "de3f007e16b16f7f8b4042c67e80d413b81c3d14fe5bda5368d1e9ac305783da"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2012.11328",
    "kind": "arxiv",
    "version": 3
  }
}