Pith Number

pith:FQJOE343

pith:2018:FQJOE343NNJFLNGYJDCCNNSE2U

not attested not anchored not stored refs pending

Deep Heterogeneous Autoencoders for Collaborative Filtering

Bjorn Stenger, Chen Liu, Jiu Xu, Tianyu Li, Yu Hirate, Yukun Ma

arxiv:1812.06610 v1 · 2018-12-17 · cs.LG · cs.IR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FQJOE343NNJFLNGYJDCCNNSE2U}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-17T23:58:09.751385Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2c12e26f9b6b5255b4d848c426b644d53940e2e9239f2695fb987a10fcf4e2c9

Aliases

arxiv: 1812.06610 · arxiv_version: 1812.06610v1 · doi: 10.48550/arxiv.1812.06610 · pith_short_12: FQJOE343NNJF · pith_short_16: FQJOE343NNJFLNGY · pith_short_8: FQJOE343

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/FQJOE343NNJFLNGYJDCCNNSE2U \
  | 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: 2c12e26f9b6b5255b4d848c426b644d53940e2e9239f2695fb987a10fcf4e2c9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9d35203c52cd0c059022d8136d6919f2941b8156e63f16362950495f05974f45",
    "cross_cats_sorted": [
      "cs.IR"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2018-12-17T04:11:18Z",
    "title_canon_sha256": "999a6e8cee3660187fec7b7fc541ea51bc26cec276d4517c8d9b7a189301b3b2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.06610",
    "kind": "arxiv",
    "version": 1
  }
}