Pith Number

pith:K4GOPNSB

pith:2014:K4GOPNSBO6UKPANYIRQ5V5Q5YG

not attested not anchored not stored refs pending

An evaluative baseline for geo-semantic relatedness and similarity

Andrea Ballatore, David C. Wilson, Michela Bertolotto

arxiv:1402.3371 v1 · 2014-02-14 · cs.CL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{K4GOPNSBO6UKPANYIRQ5V5Q5YG}

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	2026-05-18T02:59:05.431395Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

570ce7b64177a8a781b84461daf61dc1871c2c6c5bc80378cf1d12f2959252ae

Aliases

arxiv: 1402.3371 · arxiv_version: 1402.3371v1 · doi: 10.48550/arxiv.1402.3371 · pith_short_12: K4GOPNSBO6UK · pith_short_16: K4GOPNSBO6UKPANY · pith_short_8: K4GOPNSB

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/K4GOPNSBO6UKPANYIRQ5V5Q5YG \
  | 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: 570ce7b64177a8a781b84461daf61dc1871c2c6c5bc80378cf1d12f2959252ae

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "875d72c10a9167b1049be9a2a22919bf758e219ce6db10013a95bd7b9022521a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2014-02-14T06:06:47Z",
    "title_canon_sha256": "ee82e3025cd620d38d128687872c491346319f7262c416ec370a5790207c2c09"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1402.3371",
    "kind": "arxiv",
    "version": 1
  }
}