Pith Number

pith:6OSFPWIU

pith:2013:6OSFPWIUM2U6DVWHTOG5KQWIL7

not attested not anchored not stored refs pending

Constructing Gazetteers from Volunteered Big Geo-Data Based on Hadoop

Krzysztof Janowicz, Linna Li, Song Gao, Wenwen Li, Yue Zhang

arxiv:1311.7676 v2 · 2013-11-29 · cs.DC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6OSFPWIUM2U6DVWHTOG5KQWIL7}

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	2026-05-18T02:59:47.457805Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f3a457d91466a9e1d6c79b8dd542c85fea8a45270594de39a4e1699d7b41ce99

Aliases

arxiv: 1311.7676 · arxiv_version: 1311.7676v2 · doi: 10.48550/arxiv.1311.7676 · pith_short_12: 6OSFPWIUM2U6 · pith_short_16: 6OSFPWIUM2U6DVWH · pith_short_8: 6OSFPWIU

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/6OSFPWIUM2U6DVWHTOG5KQWIL7 \
  | 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: f3a457d91466a9e1d6c79b8dd542c85fea8a45270594de39a4e1699d7b41ce99

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c57c9f45cbcce6c697783f14c8b168a1be567a9f2fdcce641f6f3711812619a3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DC",
    "submitted_at": "2013-11-29T19:52:42Z",
    "title_canon_sha256": "8bfa1061cef550a1724041bfefcb0c169c14532b9f4a919508ba01db4789a3db"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.7676",
    "kind": "arxiv",
    "version": 2
  }
}