Pith Number

pith:VZKDHTGZ

pith:2020:VZKDHTGZ5NNUZD5CO3FG4YOLOQ

not attested not anchored not stored refs pending

An efficient manifold density estimator for all recommendation systems

Adam Jakubowski, Andrzej Micha{\l}owski, Barbara Rychalska, Dominika Basaj, Jacek D\k{a}browski, Konrad Go{\l}uchowski, Micha{\l} Daniluk, Piotr Babel

arxiv:2006.01894 v4 · 2020-06-02 · stat.ML · 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{VZKDHTGZ5NNUZD5CO3FG4YOLOQ}

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	2026-07-05T02:32:32.398161Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ae5433ccd9eb5b4c8fa276ca6e61cb740e107dec56fbde980ab34614ce6e1fbd

Aliases

arxiv: 2006.01894 · arxiv_version: 2006.01894v4 · doi: 10.48550/arxiv.2006.01894 · pith_short_12: VZKDHTGZ5NNU · pith_short_16: VZKDHTGZ5NNUZD5C · pith_short_8: VZKDHTGZ

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/VZKDHTGZ5NNUZD5CO3FG4YOLOQ \
  | 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: ae5433ccd9eb5b4c8fa276ca6e61cb740e107dec56fbde980ab34614ce6e1fbd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d2f6f28af0d66e8065c749e69c9b1dd5308c580a030c5a16cf678932aaaaa4cc",
    "cross_cats_sorted": [
      "cs.IR",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2020-06-02T19:20:20Z",
    "title_canon_sha256": "94ebe6fba94c3b37de5682cd9310bace95c9c30793bcb366d54e814d5d38db05"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2006.01894",
    "kind": "arxiv",
    "version": 4
  }
}