Pith Number

pith:QHBTK7US

pith:2018:QHBTK7USQCTWC5HXQLWO2GIIRY

not attested not anchored not stored refs pending

Explainable Recommendation via Multi-Task Learning in Opinionated Text Data

Hongning Wang, Nan Wang, Yiling Jia, Yue Yin

arxiv:1806.03568 v1 · 2018-06-10 · cs.IR · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QHBTK7USQCTWC5HXQLWO2GIIRY}

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	2026-05-18T00:13:24.894300Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

81c3357e9280a76174f782eced19088e14f9bb6010933dcc784a72cd3523d078

Aliases

arxiv: 1806.03568 · arxiv_version: 1806.03568v1 · doi: 10.48550/arxiv.1806.03568 · pith_short_12: QHBTK7USQCTW · pith_short_16: QHBTK7USQCTWC5HX · pith_short_8: QHBTK7US

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/QHBTK7USQCTWC5HXQLWO2GIIRY \
  | 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: 81c3357e9280a76174f782eced19088e14f9bb6010933dcc784a72cd3523d078

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4850d4f8a91ec3b360a4e8fb922826735da01bd6cc448e4b624ae32debd405d6",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2018-06-10T01:43:40Z",
    "title_canon_sha256": "bf479282de1acb09971bb1b63114a0c09cc6fdf6ac0dea274f71269c16c8f865"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.03568",
    "kind": "arxiv",
    "version": 1
  }
}