Pith Number

pith:LM5QZJX6

pith:2020:LM5QZJX6GW3QME6HMXHBZO2FOH

not attested not anchored not stored refs pending

On Variational Inference for User Modeling in Attribute-Driven Collaborative Filtering

Abhinav Mathur, Kannan Achan, Ramasubramanian Balasubramanian, Sushant Kumar, Venugopal Mani

arxiv:2012.01577 v1 · 2020-12-02 · 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{LM5QZJX6GW3QME6HMXHBZO2FOH}

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	2026-07-05T01:56:47.932390Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5b3b0ca6fe35b70613c765ce1cbb4571d9512c6acfd6c3e1e55ce6518e6fef70

Aliases

arxiv: 2012.01577 · arxiv_version: 2012.01577v1 · doi: 10.48550/arxiv.2012.01577 · pith_short_12: LM5QZJX6GW3Q · pith_short_16: LM5QZJX6GW3QME6H · pith_short_8: LM5QZJX6

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/LM5QZJX6GW3QME6HMXHBZO2FOH \
  | 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: 5b3b0ca6fe35b70613c765ce1cbb4571d9512c6acfd6c3e1e55ce6518e6fef70

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "526a30602fd188e8b8fd1925eb1f55afebf62a05579328788f6f26aa3539d67e",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2020-12-02T22:39:58Z",
    "title_canon_sha256": "3d3814ad6c1983b4e415327d19ddc6d5d86f8a72be8b30b65a8f579d4ebb3acb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2012.01577",
    "kind": "arxiv",
    "version": 1
  }
}