Pith Number

pith:WHWFDAVY

pith:2019:WHWFDAVYIXAICBNI3LFBHX2ZMC

not attested not anchored not stored refs pending

Toward Controlling Discrimination in Online Ad Auctions

Anay Mehrotra, L. Elisa Celis, Nisheeth K. Vishnoi

arxiv:1901.10450 v2 · 2019-01-29 · cs.GT · 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{WHWFDAVYIXAICBNI3LFBHX2ZMC}

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	2026-05-17T23:45:25.844484Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b1ec5182b845c08105a8daca13df596086c9afb552fa17a989b44f1a82557ff3

Aliases

arxiv: 1901.10450 · arxiv_version: 1901.10450v2 · doi: 10.48550/arxiv.1901.10450 · pith_short_12: WHWFDAVYIXAI · pith_short_16: WHWFDAVYIXAICBNI · pith_short_8: WHWFDAVY

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/WHWFDAVYIXAICBNI3LFBHX2ZMC \
  | 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: b1ec5182b845c08105a8daca13df596086c9afb552fa17a989b44f1a82557ff3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eafb5f32200e754e0369a678ba57b40e9df3bc666daa4025925e2f0766a9b037",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.GT",
    "submitted_at": "2019-01-29T18:55:27Z",
    "title_canon_sha256": "578b552cc96758532727714a0acf800089ff63c847b04eca0abb0f66d4b7627c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.10450",
    "kind": "arxiv",
    "version": 2
  }
}