Pith Number

pith:TSD2VARL

pith:2021:TSD2VARLLHBPRYRZAV4FLVSVVU

not attested not anchored not stored refs pending

A GeoSPARQL Compliance Benchmark

Milos Jovanovik, Mirko Spasi\'c, Timo Homburg

arxiv:2102.06139 v1 · 2021-02-11 · 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{TSD2VARLLHBPRYRZAV4FLVSVVU}

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	2026-07-05T02:58:24.519690Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9c87aa822b59c2f8e239057855d655ad3e136a9de820c72dc7ef28d6a9769a4f

Aliases

arxiv: 2102.06139 · arxiv_version: 2102.06139v1 · doi: 10.48550/arxiv.2102.06139 · pith_short_12: TSD2VARLLHBP · pith_short_16: TSD2VARLLHBPRYRZ · pith_short_8: TSD2VARL

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/TSD2VARLLHBPRYRZAV4FLVSVVU \
  | 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: 9c87aa822b59c2f8e239057855d655ad3e136a9de820c72dc7ef28d6a9769a4f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ccab91dddaf3e08c33b70df344976ade098b85b48a3c7c53bffd816021efe82b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2021-02-11T17:28:52Z",
    "title_canon_sha256": "2c24473c779cbd126ccca40a5af6062cd5703c70655687ce4f91cf145d471fdd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2102.06139",
    "kind": "arxiv",
    "version": 1
  }
}