Pith Number

pith:D35HOIG4

pith:2018:D35HOIG4SFTHC7CDWDH5I55CXV

not attested not anchored not stored refs pending

Superhighway: Bypass Data Sparsity in Cross-Domain CF

Chuan-Ju Wang, Heng-Yu Chi, Kwei-Herng Lai, Ming-Feng Tsai, Ting-Hsiang Wang, Yian Chen

arxiv:1808.09784 v1 · 2018-08-28 · cs.IR · cs.LG · 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{D35HOIG4SFTHC7CDWDH5I55CXV}

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	2026-05-18T00:06:54.467770Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1efa7720dc9166717c43b0cfd477a2bd735901ba8ecf71d5ec76b39cbf200c4d

Aliases

arxiv: 1808.09784 · arxiv_version: 1808.09784v1 · doi: 10.48550/arxiv.1808.09784 · pith_short_12: D35HOIG4SFTH · pith_short_16: D35HOIG4SFTHC7CD · pith_short_8: D35HOIG4

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/D35HOIG4SFTHC7CDWDH5I55CXV \
  | 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: 1efa7720dc9166717c43b0cfd477a2bd735901ba8ecf71d5ec76b39cbf200c4d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eaa4204a45081901c325a7b7c6d5cef4764552c9815662258ed847ee334b0f25",
    "cross_cats_sorted": [
      "cs.LG",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2018-08-28T13:07:34Z",
    "title_canon_sha256": "cca14bf6bc16902c583330f2ce00480a7e5ab61eb75e80db54ffe77898aa8b9e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.09784",
    "kind": "arxiv",
    "version": 1
  }
}