Pith Number

pith:BSIFW3BW

pith:2019:BSIFW3BWDF3C52ACZMLYN7T6JF

not attested not anchored not stored refs pending

Scalable Community Detection over Geo-Social Network

Amarnath Gupta, Qiyu Liu, Xiuwen Zheng

arxiv:1906.05505 v4 · 2019-06-13 · cs.DB · cs.SI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BSIFW3BWDF3C52ACZMLYN7T6JF}

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	2026-07-05T00:01:00.735703Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0c905b6c3619762ee802cb1786fe7e4942468fcb00d5810fce386ab349864288

Aliases

arxiv: 1906.05505 · arxiv_version: 1906.05505v4 · doi: 10.48550/arxiv.1906.05505 · pith_short_12: BSIFW3BWDF3C · pith_short_16: BSIFW3BWDF3C52AC · pith_short_8: BSIFW3BW

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/BSIFW3BWDF3C52ACZMLYN7T6JF \
  | 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: 0c905b6c3619762ee802cb1786fe7e4942468fcb00d5810fce386ab349864288

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "75a9fdbff452398b686532b543df3f96e711e81d09b068dd51e461f457b38884",
    "cross_cats_sorted": [
      "cs.SI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2019-06-13T06:50:02Z",
    "title_canon_sha256": "f2905eba9689a479366c5e6f268d55273243a5c85b1bf8759e7bf4920ffd8200"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.05505",
    "kind": "arxiv",
    "version": 4
  }
}