Pith Number

pith:SGRU3QNB

pith:2021:SGRU3QNBGFJZZAVAMPEDWV6OG7

not attested not anchored not stored refs pending

The 2021 RecSys Challenge Dataset: Fairness is not optional

Alexandre Lung-Yut-Fong, Alykhan Tejani, Ben Chamberlain, Bruce Ferwerda, Frank Portman, Jonathan Hunt, Kristian Lum, Luca Belli, Michael Bronstein, Saikishore Kalloori, Vito Walter Anelli, Wenzhe Shi, Yuanpu Xie

arxiv:2109.08245 v3 · 2021-09-16 · cs.SI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SGRU3QNBGFJZZAVAMPEDWV6OG7}

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	2026-07-05T03:16:34.455961Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

91a34dc1a131539c82a063c83b57ce37dcd4c66a424612ddecb90bb549d41eb4

Aliases

arxiv: 2109.08245 · arxiv_version: 2109.08245v3 · doi: 10.48550/arxiv.2109.08245 · pith_short_12: SGRU3QNBGFJZ · pith_short_16: SGRU3QNBGFJZZAVA · pith_short_8: SGRU3QNB

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/SGRU3QNBGFJZZAVAMPEDWV6OG7 \
  | 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: 91a34dc1a131539c82a063c83b57ce37dcd4c66a424612ddecb90bb549d41eb4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1692f528b2097c36ba03d2c6de1312588410e283d4a15082247ac03fd0dba995",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.SI",
    "submitted_at": "2021-09-16T22:59:39Z",
    "title_canon_sha256": "366f7ff425fff02cf3e3acfef52e2fcb91fe3b17000aa934b1bd77e31422750d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.08245",
    "kind": "arxiv",
    "version": 3
  }
}