Pith Number

pith:SOSEJKAD

pith:2018:SOSEJKADRNVJMZM724WYCIX7D5

not attested not anchored not stored refs pending

The Problem of Correlation and Substitution in SPARQL -- Extended Version

Claudio Gutierrez, Daniel Hern\'andez, Renzo Angles

arxiv:1801.04387 v2 · 2018-01-13 · cs.LO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SOSEJKADRNVJMZM724WYCIX7D5}

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	2026-05-18T00:22:44.237552Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

93a444a8038b6a96659fd72d8122ff1f6eddae1090a7450d65a2198a39f4a9e4

Aliases

arxiv: 1801.04387 · arxiv_version: 1801.04387v2 · doi: 10.48550/arxiv.1801.04387 · pith_short_12: SOSEJKADRNVJ · pith_short_16: SOSEJKADRNVJMZM7 · pith_short_8: SOSEJKAD

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/SOSEJKADRNVJMZM724WYCIX7D5 \
  | 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: 93a444a8038b6a96659fd72d8122ff1f6eddae1090a7450d65a2198a39f4a9e4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c213655e38284f539af37243502081f30543fb3e6fc33c7b859447970f0d2af9",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2018-01-13T06:30:59Z",
    "title_canon_sha256": "1db96601dd4929f3a231b8eeec46912e084cab5d07074764cde9b30d02c36266"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.04387",
    "kind": "arxiv",
    "version": 2
  }
}