Pith Number

pith:WSZP5DKU

pith:2016:WSZP5DKU6JVR4VDRZY24EVLSMV

not attested not anchored not stored refs pending

Efficient Rectangular Maximal-Volume Algorithm for Rating Elicitation in Collaborative Filtering

Alexander Fonarev, Alexander Mikhalev, Gleb Gusev, Ivan Oseledets, Pavel Serdyukov

arxiv:1610.04850 v1 · 2016-10-16 · cs.IR · cs.AI

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WSZP5DKU6JVR4VDRZY24EVLSMV}

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	2026-05-18T01:02:06.901887Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b4b2fe8d54f26b1e5471ce35c25572657ee663351838e05df66a241ef6186b7c

Aliases

arxiv: 1610.04850 · arxiv_version: 1610.04850v1 · doi: 10.48550/arxiv.1610.04850 · pith_short_12: WSZP5DKU6JVR · pith_short_16: WSZP5DKU6JVR4VDR · pith_short_8: WSZP5DKU

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/WSZP5DKU6JVR4VDRZY24EVLSMV \
  | 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: b4b2fe8d54f26b1e5471ce35c25572657ee663351838e05df66a241ef6186b7c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f7605c3ae18a716f1f5d91ea15d2493bb4233b63a3882a8dbb0142f450bb41fb",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2016-10-16T12:50:37Z",
    "title_canon_sha256": "9fc76c6e5235bb58ac32915d2eabcb9647bd42d56bf32b2211da19a8d63d8ca2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1610.04850",
    "kind": "arxiv",
    "version": 1
  }
}