Pith Number

pith:FO6VKRUY

pith:2014:FO6VKRUYPG2IQFPONTKPIPCBHP

not attested not anchored not stored refs pending

Near-Optimum Online Ad Allocation for Targeted Advertising

David Wajc, Joseph (Seffi) Naor

arxiv:1409.8670 v2 · 2014-09-30 · cs.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FO6VKRUYPG2IQFPONTKPIPCBHP}

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	2026-05-18T02:17:33.571143Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2bbd55469879b48815ee6cd4f43c413be387729398fa83fce00aa696bc4f6a58

Aliases

arxiv: 1409.8670 · arxiv_version: 1409.8670v2 · doi: 10.48550/arxiv.1409.8670 · pith_short_12: FO6VKRUYPG2I · pith_short_16: FO6VKRUYPG2IQFPO · pith_short_8: FO6VKRUY

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/FO6VKRUYPG2IQFPONTKPIPCBHP \
  | 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: 2bbd55469879b48815ee6cd4f43c413be387729398fa83fce00aa696bc4f6a58

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e7508e28ad784325f101fef7f3740d11dc1e3619b05e551cf4dd868dcf82b17a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2014-09-30T19:49:29Z",
    "title_canon_sha256": "0dd871ca51414c9f229c1cf89d9601aadd8db36d001b99ce8ae181f1848064cb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.8670",
    "kind": "arxiv",
    "version": 2
  }
}