Pith Number

pith:UE6R5DYS

pith:2018:UE6R5DYS6BQLK7NWMX46E4P5Q3

not attested not anchored not stored refs pending

Factorization Machines for Data with Implicit Feedback

Alan Hanjalic, Babak Loni, Martha Larson

arxiv:1812.08254 v1 · 2018-12-19 · 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{UE6R5DYS6BQLK7NWMX46E4P5Q3}

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	2026-05-17T23:57:51.802111Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a13d1e8f12f060b57db665f9e271fd86f4cf98e65da8eada9290f94353e2e023

Aliases

arxiv: 1812.08254 · arxiv_version: 1812.08254v1 · doi: 10.48550/arxiv.1812.08254 · pith_short_12: UE6R5DYS6BQL · pith_short_16: UE6R5DYS6BQLK7NW · pith_short_8: UE6R5DYS

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/UE6R5DYS6BQLK7NWMX46E4P5Q3 \
  | 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: a13d1e8f12f060b57db665f9e271fd86f4cf98e65da8eada9290f94353e2e023

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eb34843b9b574c570e23160e2e096f033fc016954974755f5a10d25b44c530d0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2018-12-19T21:32:01Z",
    "title_canon_sha256": "67ee32739f4104697a4a54c1be73aeabca941f9e21d7a5174ceecf2f8db3fa27"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.08254",
    "kind": "arxiv",
    "version": 1
  }
}