Pith Number

pith:B4ZBGPOB

pith:2016:B4ZBGPOBV2BIN2QLSTPSMZ2TCJ

not attested not anchored not stored refs pending

Online Bayesian Collaborative Topic Regression

Chenghao Liu, Jianling Sun, Peilin Zhao, Steven C.H. Hoi, Tao Jin

arxiv:1605.08872 v1 · 2016-05-28 · cs.LG · 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{B4ZBGPOBV2BIN2QLSTPSMZ2TCJ}

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	2026-05-18T01:13:22.799068Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0f32133dc1ae8286ea0b94df266753126d420fc9e35e8fa6dfcd92bd6c79bf9d

Aliases

arxiv: 1605.08872 · arxiv_version: 1605.08872v1 · doi: 10.48550/arxiv.1605.08872 · pith_short_12: B4ZBGPOBV2BI · pith_short_16: B4ZBGPOBV2BIN2QL · pith_short_8: B4ZBGPOB

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/B4ZBGPOBV2BIN2QLSTPSMZ2TCJ \
  | 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: 0f32133dc1ae8286ea0b94df266753126d420fc9e35e8fa6dfcd92bd6c79bf9d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b0085735a37d902549929f517d151c3556351771e673d3a26a480f6d3f501f0d",
    "cross_cats_sorted": [
      "cs.IR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2016-05-28T10:17:37Z",
    "title_canon_sha256": "56d78e44902ebee4836fe1f885cd5c0e6e034577f42e829e821cfd4705712802"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1605.08872",
    "kind": "arxiv",
    "version": 1
  }
}