Pith Number

pith:ZS3HQCTH

pith:2016:ZS3HQCTHOAZ4QH343TM4BQVXGQ

not attested not anchored not stored refs pending

A Local-Global LDA Model for Discovering Geographical Topics from Social Media

Siwei Qiang, Yaohui Jin, Yongkun Wang

arxiv:1607.05806 v1 · 2016-07-20 · cs.IR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZS3HQCTHOAZ4QH343TM4BQVXGQ}

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	2026-05-18T01:10:45.243872Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ccb6780a677033c81f7cdcd9c0c2b734240ddf1423c6520a138b9aa542ece739

Aliases

arxiv: 1607.05806 · arxiv_version: 1607.05806v1 · doi: 10.48550/arxiv.1607.05806 · pith_short_12: ZS3HQCTHOAZ4 · pith_short_16: ZS3HQCTHOAZ4QH34 · pith_short_8: ZS3HQCTH

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/ZS3HQCTHOAZ4QH343TM4BQVXGQ \
  | 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: ccb6780a677033c81f7cdcd9c0c2b734240ddf1423c6520a138b9aa542ece739

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9bebfc150c40a287763e6507f73b52281b4a2ed1885c82b3f895ca2c3b87b8cf",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2016-07-20T02:48:15Z",
    "title_canon_sha256": "0215d2b9bdf5cba474c8b2fb5a470159301a8473758cf34a4afeffb2eae6c201"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1607.05806",
    "kind": "arxiv",
    "version": 1
  }
}