Pith Number

pith:RD5Z2OAG

pith:2022:RD5Z2OAGQSDT7AC4BCZ2PTC25Z

not attested not anchored not stored refs pending

Obtaining Dyadic Fairness by Optimal Transport

Bo Jin, Hongyuan Zha, Junjie Sheng, Jun Wang, Moyi Yang, Wenyan Liu, Xiangfeng Wang

arxiv:2202.04520 v2 · 2022-02-09 · cs.LG · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RD5Z2OAGQSDT7AC4BCZ2PTC25Z}

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	2026-07-05T05:20:09.831300Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

88fb9d380684873f805c08b3a7cc5aee7ccdd3168de5f58e5815a5b5f7b37d74

Aliases

arxiv: 2202.04520 · arxiv_version: 2202.04520v2 · doi: 10.48550/arxiv.2202.04520 · pith_short_12: RD5Z2OAGQSDT · pith_short_16: RD5Z2OAGQSDT7AC4 · pith_short_8: RD5Z2OAG

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/RD5Z2OAGQSDT7AC4BCZ2PTC25Z \
  | 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: 88fb9d380684873f805c08b3a7cc5aee7ccdd3168de5f58e5815a5b5f7b37d74

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "614eec4585dcb36f01304f6d9b7fbc463b9bf4acaed6c88e177f19c05d4b7448",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2022-02-09T15:33:59Z",
    "title_canon_sha256": "87fe5662f7a2b497bbadb39f4079942a3c86fe9164801b16bb5728d61c02b5c7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2202.04520",
    "kind": "arxiv",
    "version": 2
  }
}