Pith Number

pith:DIWEMO7K

pith:2017:DIWEMO7KOKYDGJW7RPXIMTBM4V

not attested not anchored not stored refs pending

Exploring Latent Semantic Factors to Find Useful Product Reviews

Gerhard Weikum, Kashyap Popat, Subhabrata Mukherjee

arxiv:1705.02518 v1 · 2017-05-06 · cs.AI · cs.CL · cs.IR · cs.SI · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DIWEMO7KOKYDGJW7RPXIMTBM4V}

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	2026-05-18T00:44:56.293230Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1a2c463bea72b03326df8bee864c2ce568779b3e2cef2aaf4b324167e42d3982

Aliases

arxiv: 1705.02518 · arxiv_version: 1705.02518v1 · doi: 10.48550/arxiv.1705.02518 · pith_short_12: DIWEMO7KOKYD · pith_short_16: DIWEMO7KOKYDGJW7 · pith_short_8: DIWEMO7K

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/DIWEMO7KOKYDGJW7RPXIMTBM4V \
  | 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: 1a2c463bea72b03326df8bee864c2ce568779b3e2cef2aaf4b324167e42d3982

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "302484c1eb5e28fd48c7676cb2e9864bf5348097ea2284a4b40eacdd2762b202",
    "cross_cats_sorted": [
      "cs.CL",
      "cs.IR",
      "cs.SI",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2017-05-06T19:21:48Z",
    "title_canon_sha256": "2c8465796ccffb650e5e272f40b9b3a5a061aa7a89425aaa0af15df6b57778ec"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.02518",
    "kind": "arxiv",
    "version": 1
  }
}