Pith Number

pith:NOOS6RYR

pith:2018:NOOS6RYRIU6ZLUYGTO37KCRNVJ

not attested not anchored not stored refs pending

Unleashing Linear Optimizers for Group-Fair Learning and Optimization

Adam Tauman Kalai, Daniel Alabi, Nicole Immorlica

arxiv:1804.04503 v2 · 2018-04-11 · cs.LG · cs.DS · 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{NOOS6RYRIU6ZLUYGTO37KCRNVJ}

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	2026-05-18T00:14:21.458107Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6b9d2f4711453d95d3069bb7f50a2daa475785b7d4d717800879a6e3fcaaa6e2

Aliases

arxiv: 1804.04503 · arxiv_version: 1804.04503v2 · doi: 10.48550/arxiv.1804.04503 · pith_short_12: NOOS6RYRIU6Z · pith_short_16: NOOS6RYRIU6ZLUYG · pith_short_8: NOOS6RYR

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/NOOS6RYRIU6ZLUYGTO37KCRNVJ \
  | 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: 6b9d2f4711453d95d3069bb7f50a2daa475785b7d4d717800879a6e3fcaaa6e2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3211bef9f62ca904a3e29c047aaaf3b9334d0a94d720e01083e641c931db5b9f",
    "cross_cats_sorted": [
      "cs.DS",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2018-04-11T02:51:07Z",
    "title_canon_sha256": "64debf513e742813bda95fa46b42b1b4e40dd96bbae4818d3316c334fcc02fbd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.04503",
    "kind": "arxiv",
    "version": 2
  }
}