Pith Number

pith:SC2GGBBU

pith:2015:SC2GGBBUS525LQY4AM7TDQ5FYS

not attested not anchored not stored refs pending

OptImatch: Semantic Web System with Knowledge Base for Query Performance Problem Determination

Calisto Zuzarte, Guilherme Damasio, Jaroslaw Szlichta, Piotr Mierzejewski

arxiv:1510.03302 v1 · 2015-10-12 · cs.DB

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SC2GGBBUS525LQY4AM7TDQ5FYS}

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	2026-05-18T01:30:32.234247Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

90b46304349775d5c31c033f31c3a5c4b9c6b79804fe5c40650146cbaaab9671

Aliases

arxiv: 1510.03302 · arxiv_version: 1510.03302v1 · doi: 10.48550/arxiv.1510.03302 · pith_short_12: SC2GGBBUS525 · pith_short_16: SC2GGBBUS525LQY4 · pith_short_8: SC2GGBBU

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/SC2GGBBUS525LQY4AM7TDQ5FYS \
  | 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: 90b46304349775d5c31c033f31c3a5c4b9c6b79804fe5c40650146cbaaab9671

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "224dc8f84d557175764f97a5907a88a09f8b72197c37bc0168cbfff976ab9cdd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2015-10-12T14:31:19Z",
    "title_canon_sha256": "221930c3b13bb6470c4ff7868e1bbbdaf69d593d7e832a810a5354b6d3d9cff6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.03302",
    "kind": "arxiv",
    "version": 1
  }
}