Pith Number

pith:3XI46J42

pith:2014:3XI46J42CEFLK5XO33QA4I3WGF

not attested not anchored not stored refs pending

Representation Learning for cold-start recommendation

Gabriella Contardo, Ludovic Denoyer, Thierry Artieres

arxiv:1412.7156 v5 · 2014-12-22 · cs.IR · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3XI46J42CEFLK5XO33QA4I3WGF}

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	2026-05-18T01:41:47.792393Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ddd1cf279a110ab576eedee00e237631781169eedbba840089fbf00727fd805d

Aliases

arxiv: 1412.7156 · arxiv_version: 1412.7156v5 · doi: 10.48550/arxiv.1412.7156 · pith_short_12: 3XI46J42CEFL · pith_short_16: 3XI46J42CEFLK5XO · pith_short_8: 3XI46J42

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/3XI46J42CEFLK5XO33QA4I3WGF \
  | 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: ddd1cf279a110ab576eedee00e237631781169eedbba840089fbf00727fd805d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6142402d78e1099458fbce3ac264680be2c0b731ba0c81bbbb64a733e5dab85f",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2014-12-22T21:58:06Z",
    "title_canon_sha256": "87756d9c270c63b8c0ea7d55d7768d909361ecc6a5e52c7ad4e873699d3b2b82"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1412.7156",
    "kind": "arxiv",
    "version": 5
  }
}