Pith Number

pith:HUXR6Z3C

pith:2014:HUXR6Z3CN75SHFJN3GFDQTLVOX

not attested not anchored not stored refs pending

A Latent Source Model for Online Collaborative Filtering

Devavrat Shah, George H. Chen, Guy Bresler

arxiv:1411.6591 v1 · 2014-10-31 · cs.LG · cs.IR · 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{HUXR6Z3CN75SHFJN3GFDQTLVOX}

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	2026-05-18T02:32:54.753819Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3d2f1f67626ffb23952dd98a384d7575f34303f483154713a1bf7e02b794dc6a

Aliases

arxiv: 1411.6591 · arxiv_version: 1411.6591v1 · doi: 10.48550/arxiv.1411.6591 · pith_short_12: HUXR6Z3CN75S · pith_short_16: HUXR6Z3CN75SHFJN · pith_short_8: HUXR6Z3C

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/HUXR6Z3CN75SHFJN3GFDQTLVOX \
  | 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: 3d2f1f67626ffb23952dd98a384d7575f34303f483154713a1bf7e02b794dc6a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a02f4b0e1feab5741f237c43f4ca6234c99c527487f299d3626a25993c6b8416",
    "cross_cats_sorted": [
      "cs.IR",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2014-10-31T19:59:59Z",
    "title_canon_sha256": "7b5d6a608f16d2b8e401a70e487a6a53b0701f569bd1d71fe869f03623618b32"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1411.6591",
    "kind": "arxiv",
    "version": 1
  }
}