Pith Number

pith:JVPO35TD

pith:2019:JVPO35TDT4USHRB66ZKWV37KJF

not attested not anchored not stored refs pending

Multi-Gradient Descent for Multi-Objective Recommender Systems

Boi Faltings, Claudiu Musat, Diego Antognini, Giancarlo Bergamin, Nikola Milojkovic

arxiv:2001.00846 v3 · 2019-12-09 · cs.IR · cs.AI · 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{JVPO35TDT4USHRB66ZKWV37KJF}

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	2026-07-05T00:55:46.861965Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4d5eedf6639f2923c43ef6556aefea495ef3dfb6f7983c242c6761fe8ef6dbf4

Aliases

arxiv: 2001.00846 · arxiv_version: 2001.00846v3 · doi: 10.48550/arxiv.2001.00846 · pith_short_12: JVPO35TDT4US · pith_short_16: JVPO35TDT4USHRB6 · pith_short_8: JVPO35TD

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/JVPO35TDT4USHRB66ZKWV37KJF \
  | 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: 4d5eedf6639f2923c43ef6556aefea495ef3dfb6f7983c242c6761fe8ef6dbf4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e4a08cf5be636625d7d17ca84f7b0e5be6e66974a359afd368a438522a5ed803",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.LG",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2019-12-09T19:56:08Z",
    "title_canon_sha256": "c5fa281c2491ad8345d0ec23b863204eba5d4062e375972add891bf893781d75"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2001.00846",
    "kind": "arxiv",
    "version": 3
  }
}