Pith Number

pith:S226HGYQ

pith:2010:S226HGYQKU3RJR37RQAIN44CBW

not attested not anchored not stored refs pending

Demonstrating a Service-Enhanced Retrieval System

Peter Mutschke, Philipp Mayr, Philipp Schaer

arxiv:1009.5003 v1 · 2010-09-25 · cs.IR · cs.DL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{S226HGYQKU3RJR37RQAIN44CBW}

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	2026-05-18T00:45:16.763673Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

96b5e39b10553714c77f8c0086f3820d90b677f5b52fa16f91ac844bcf6d8441

Aliases

arxiv: 1009.5003 · arxiv_version: 1009.5003v1 · doi: 10.48550/arxiv.1009.5003 · pith_short_12: S226HGYQKU3R · pith_short_16: S226HGYQKU3RJR37 · pith_short_8: S226HGYQ

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/S226HGYQKU3RJR37RQAIN44CBW \
  | 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: 96b5e39b10553714c77f8c0086f3820d90b677f5b52fa16f91ac844bcf6d8441

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7280cf64e03c458b3b2aae5b2144aefd89e3b06c99470d589afacb7ca8d66cb2",
    "cross_cats_sorted": [
      "cs.DL"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2010-09-25T10:33:42Z",
    "title_canon_sha256": "0f77aac2be534804672b2ef982ca86d0dc112d9f1cfc8b54cdbd518f438690d0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1009.5003",
    "kind": "arxiv",
    "version": 1
  }
}