Pith Number

pith:DGPFWN4G

pith:2019:DGPFWN4G2LN37JQODVFSKHUI47

not attested not anchored not stored refs pending

Adaptive Deep Learning of Cross-Domain Loss in Collaborative Filtering

Dimitrios Rafailidis, Gerhard Weiss

arxiv:1907.01645 v1 · 2019-06-29 · cs.IR · cs.LG · cs.SI · 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{DGPFWN4G2LN37JQODVFSKHUI47}

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	2026-05-17T23:41:35.622396Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

199e5b3786d2dbbfa60e1d4b251e88e7ce01230f1415e45b3820ff6b9129b019

Aliases

arxiv: 1907.01645 · arxiv_version: 1907.01645v1 · doi: 10.48550/arxiv.1907.01645 · pith_short_12: DGPFWN4G2LN3 · pith_short_16: DGPFWN4G2LN37JQO · pith_short_8: DGPFWN4G

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/DGPFWN4G2LN37JQODVFSKHUI47 \
  | 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: 199e5b3786d2dbbfa60e1d4b251e88e7ce01230f1415e45b3820ff6b9129b019

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "54a6bed0a051d1e153e3f9ede81239585713b7d50b5a352ae31b8ab31f8b340c",
    "cross_cats_sorted": [
      "cs.LG",
      "cs.SI",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2019-06-29T16:03:44Z",
    "title_canon_sha256": "24437e16424e2acd4012ad56d0f74309666f6fd9618422254f6838f67350964d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.01645",
    "kind": "arxiv",
    "version": 1
  }
}