Pith Number

pith:2DJNFYOX

pith:2017:2DJNFYOXSA2QJUWNW3BIQCOSAF

not attested not anchored not stored refs pending

Beyond Parity: Fairness Objectives for Collaborative Filtering

Bert Huang, Sirui Yao

arxiv:1705.08804 v2 · 2017-05-24 · cs.IR · cs.AI · cs.LG · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2DJNFYOXSA2QJUWNW3BIQCOSAF}

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	2026-05-18T00:29:10.587110Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d0d2d2e1d7903504d2cdb6c28809d20172c03c287f18e86c840e078dc6458ce2

Aliases

arxiv: 1705.08804 · arxiv_version: 1705.08804v2 · doi: 10.48550/arxiv.1705.08804 · pith_short_12: 2DJNFYOXSA2Q · pith_short_16: 2DJNFYOXSA2QJUWN · pith_short_8: 2DJNFYOX

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/2DJNFYOXSA2QJUWNW3BIQCOSAF \
  | 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: d0d2d2e1d7903504d2cdb6c28809d20172c03c287f18e86c840e078dc6458ce2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "46c39edf04402a5edab441b1d833f65372614d489a06b42f6ecde04d3884ddd7",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.LG",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2017-05-24T14:52:06Z",
    "title_canon_sha256": "234f35d6d000b9dd1e46f93258a6c9fa5ba2e71ed45c4d1673f75834195dca2a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.08804",
    "kind": "arxiv",
    "version": 2
  }
}