Pith Number

pith:RHM7CAB4

pith:2010:RHM7CAB4NJTLAPGA743CK6OECT

not attested not anchored not stored refs pending

Top-K Color Queries for Document Retrieval

Marek Karpinski, Yakov Nekrich

arxiv:1007.1361 v2 · 2010-07-08 · 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{RHM7CAB4NJTLAPGA743CK6OECT}

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	2026-05-18T04:39:09.925781Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

89d9f1003c6a66b03cc0ff362579c414c465b1d7c3bab1fcce3c4882ec714332

Aliases

arxiv: 1007.1361 · arxiv_version: 1007.1361v2 · doi: 10.48550/arxiv.1007.1361 · pith_short_12: RHM7CAB4NJTL · pith_short_16: RHM7CAB4NJTLAPGA · pith_short_8: RHM7CAB4

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/RHM7CAB4NJTLAPGA743CK6OECT \
  | 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: 89d9f1003c6a66b03cc0ff362579c414c465b1d7c3bab1fcce3c4882ec714332

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "27ce8affb4ab7e699fd7b4c7a841ab8fa34bda3a09e97d00404d7377ae515aa9",
    "cross_cats_sorted": [
      "cs.IR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2010-07-08T12:51:03Z",
    "title_canon_sha256": "44f88b7d5929b9b92af9f9182822691764572286024f69b8185cf64faccc0ee7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1007.1361",
    "kind": "arxiv",
    "version": 2
  }
}