Pith Number

pith:HKE6QO6Q

pith:2015:HKE6QO6QRYJ3RQ7XT5IIO7DCJ6

not attested not anchored not stored refs pending

Classify Sina Weibo users into High or Low happiness Groups Using Linguistic and Behavior Features

Bibo Hao, Jingying Wang, Lei Zhang, Tianli Liu, Tingshao Zhu, Zhenxiang Chen

arxiv:1507.01796 v2 · 2015-07-07 · 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{HKE6QO6QRYJ3RQ7XT5IIO7DCJ6}

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	2026-05-18T01:37:01.236078Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3a89e83bd08e13b8c3f79f50877c624f9bc70b99ce94c350154af816ce9c1d9c

Aliases

arxiv: 1507.01796 · arxiv_version: 1507.01796v2 · doi: 10.48550/arxiv.1507.01796 · pith_short_12: HKE6QO6QRYJ3 · pith_short_16: HKE6QO6QRYJ3RQ7X · pith_short_8: HKE6QO6Q

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/HKE6QO6QRYJ3RQ7XT5IIO7DCJ6 \
  | 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: 3a89e83bd08e13b8c3f79f50877c624f9bc70b99ce94c350154af816ce9c1d9c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2bcfe07efbf9366405e439ea68679b49923d39c9cc7ea3add4e00f58df835a4a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SI",
    "submitted_at": "2015-07-07T13:24:34Z",
    "title_canon_sha256": "dbb2ba0aeb913416ff12ecb516b2c3b42c989acb3ec1ff0ff653bb9994efb3fc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.01796",
    "kind": "arxiv",
    "version": 2
  }
}