Pith Number

pith:OYXJPZRY

pith:2012:OYXJPZRYC3BG2J5UQYYQ4IRFDV

not attested not anchored not stored refs pending

Extending SPARQL to Support Entity Grouping and Path Queries

Boualem Benatallah, Hamid Reza Motahari-Nezhad, Seyed-Mehdi-Reza Beheshti, Sherif Sakr

arxiv:1211.5817 v1 · 2012-11-21 · cs.DB

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OYXJPZRYC3BG2J5UQYYQ4IRFDV}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T03:40:01.890136Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

762e97e63816c26d27b486310e22251d5478e135de36459584fa557ef456f9f5

Aliases

arxiv: 1211.5817 · arxiv_version: 1211.5817v1 · doi: 10.48550/arxiv.1211.5817 · pith_short_12: OYXJPZRYC3BG · pith_short_16: OYXJPZRYC3BG2J5U · pith_short_8: OYXJPZRY

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/OYXJPZRYC3BG2J5UQYYQ4IRFDV \
  | 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: 762e97e63816c26d27b486310e22251d5478e135de36459584fa557ef456f9f5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7aebed95de052046fd1b49e56ef1aae3c7d4b2fcbc4d89d5d53984af836412bf",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2012-11-21T10:55:36Z",
    "title_canon_sha256": "476a1b31f27d4a6dbe973393ba62f7fea57d7b5589e501694206c9d4ea2a7746"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1211.5817",
    "kind": "arxiv",
    "version": 1
  }
}