Pith Number

pith:B2XZG2L5

pith:2008:B2XZG2L5TCGXR62EWBNRWBH4F7

not attested not anchored not stored refs pending

Hybrid Keyword Search Auctions

Ashish Goel, Kamesh Munagala

arxiv:0807.2496 v2 · 2008-07-16 · cs.GT · cs.DS · cs.IR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{B2XZG2L5TCGXR62EWBNRWBH4F7}

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	2026-07-04T15:36:44.340635Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0eaf93697d988d78fb44b05b1b04fc2fe3ea5d3b76660fda95e86bb430347c43

Aliases

arxiv: 0807.2496 · arxiv_version: 0807.2496v2 · doi: 10.48550/arxiv.0807.2496 · pith_short_12: B2XZG2L5TCGX · pith_short_16: B2XZG2L5TCGXR62E · pith_short_8: B2XZG2L5

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/B2XZG2L5TCGXR62EWBNRWBH4F7 \
  | 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: 0eaf93697d988d78fb44b05b1b04fc2fe3ea5d3b76660fda95e86bb430347c43

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "af4a2a96edf5cdd8d26eed2e99100cee57059448d83017ee95aa6f97cc959a82",
    "cross_cats_sorted": [
      "cs.DS",
      "cs.IR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.GT",
    "submitted_at": "2008-07-16T04:04:32Z",
    "title_canon_sha256": "a26c1364300c74a48ca36e8708d3c12928efd204d508e0caf386f4fa6f025403"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0807.2496",
    "kind": "arxiv",
    "version": 2
  }
}