Pith Number

pith:MZHTDPMR

pith:2011:MZHTDPMRHYX3CR63QTF4U6VRXR

not attested not anchored not stored refs pending

Privacy Auctions for Recommender Systems

Nadia Fawaz, Pranav Dandekar, Stratis Ioannidis

arxiv:1111.2885 v2 · 2011-11-11 · cs.GT · 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{MZHTDPMRHYX3CR63QTF4U6VRXR}

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	2026-05-18T03:44:33.830924Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

664f31bd913e2fb147db84cbca7ab1bc6a60666de96373a9aa92f3dc2cb42676

Aliases

arxiv: 1111.2885 · arxiv_version: 1111.2885v2 · doi: 10.48550/arxiv.1111.2885 · pith_short_12: MZHTDPMRHYX3 · pith_short_16: MZHTDPMRHYX3CR63 · pith_short_8: MZHTDPMR

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/MZHTDPMRHYX3CR63QTF4U6VRXR \
  | 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: 664f31bd913e2fb147db84cbca7ab1bc6a60666de96373a9aa92f3dc2cb42676

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "644efd6d2d3d89da5fe12f28be9e842bd93aacf08c6ccbfa3630c65e09e56677",
    "cross_cats_sorted": [
      "cs.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.GT",
    "submitted_at": "2011-11-11T23:37:57Z",
    "title_canon_sha256": "11586fced297d44b8f3becc1e638fc409ab7b651c5a24b3bb83944dfdb53454a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.2885",
    "kind": "arxiv",
    "version": 2
  }
}