Pith Number

pith:SR45IXIQ

pith:2010:SR45IXIQGVA7OUGVVS5ONTTIUM

not attested not anchored not stored refs pending

MIREX: MapReduce Information Retrieval Experiments

Claudia Hauff, Djoerd Hiemstra

arxiv:1004.4489 v1 · 2010-04-26 · 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{SR45IXIQGVA7OUGVVS5ONTTIUM}

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	2026-05-18T03:56:36.533517Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9479d45d103541f750d5acbae6ce68a336b3b94fd83fd41ecf9d21fb823fcc6a

Aliases

arxiv: 1004.4489 · arxiv_version: 1004.4489v1 · doi: 10.48550/arxiv.1004.4489 · pith_short_12: SR45IXIQGVA7 · pith_short_16: SR45IXIQGVA7OUGV · pith_short_8: SR45IXIQ

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/SR45IXIQGVA7OUGVVS5ONTTIUM \
  | 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: 9479d45d103541f750d5acbae6ce68a336b3b94fd83fd41ecf9d21fb823fcc6a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "02bf3b29f3b13b6a6a0a30418ed6a8d9a6409ffadfe5eb08f930591662739e35",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/3.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2010-04-26T11:36:38Z",
    "title_canon_sha256": "666e93ac30e9721d255bfaa692ad9d957beef77c17dbd604226c53c9800fb3af"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1004.4489",
    "kind": "arxiv",
    "version": 1
  }
}