Pith Number

pith:4W7DCHYK

pith:2010:4W7DCHYKPGBVSCK3WWGC5I7YAJ

not attested not anchored not stored refs pending

Information Asymmetries in Pay-Per-Bid Auctions: How Swoopo Makes Bank

Georgios Zervas, John W. Byers, Michael Mitzenmacher

arxiv:1001.0592 v3 · 2010-01-05 · cs.GT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4W7DCHYKPGBVSCK3WWGC5I7YAJ}

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	2026-05-18T02:24:45.235943Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e5be311f0a798359095bb58c2ea3f8027e3572bb6b3ac3fbf1c65ae6e96c1d24

Aliases

arxiv: 1001.0592 · arxiv_version: 1001.0592v3 · doi: 10.48550/arxiv.1001.0592 · pith_short_12: 4W7DCHYKPGBV · pith_short_16: 4W7DCHYKPGBVSCK3 · pith_short_8: 4W7DCHYK

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/4W7DCHYKPGBVSCK3WWGC5I7YAJ \
  | 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: e5be311f0a798359095bb58c2ea3f8027e3572bb6b3ac3fbf1c65ae6e96c1d24

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "44703f404209f83d303086523ca9d9f1709b8afb5ff1f1ffa1d4dfc106e1c43c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.GT",
    "submitted_at": "2010-01-05T16:31:06Z",
    "title_canon_sha256": "1e10f547320db051d169533bb8c587341de949edc0ae240fd66f6128c95bf89d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1001.0592",
    "kind": "arxiv",
    "version": 3
  }
}