Pith Number

pith:WLFADCSG

pith:2018:WLFADCSG77WF2OX7U7MUMA43C3

not attested not anchored not stored refs pending

Detecting Changes in User Preferences using Hidden Markov Models for Sequential Recommendation Tasks

Bamshad Mobasher, Farzad Eskandanian

arxiv:1810.00272 v1 · 2018-09-29 · cs.IR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WLFADCSG77WF2OX7U7MUMA43C3}

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	2026-05-18T00:04:28.319642Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b2ca018a46ffec5d3affa7d946039b16cd53a5c7cacb15958018c1fe3b4c0a4a

Aliases

arxiv: 1810.00272 · arxiv_version: 1810.00272v1 · doi: 10.48550/arxiv.1810.00272 · pith_short_12: WLFADCSG77WF · pith_short_16: WLFADCSG77WF2OX7 · pith_short_8: WLFADCSG

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/WLFADCSG77WF2OX7U7MUMA43C3 \
  | 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: b2ca018a46ffec5d3affa7d946039b16cd53a5c7cacb15958018c1fe3b4c0a4a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c41c2170e6436883f889ed9603ff94f98561a95001f101f627580681425f88bb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2018-09-29T22:33:25Z",
    "title_canon_sha256": "2be50c248a5267f0094f92a6a6276c2d815cdb2ff1a26729dd2c20d1939b8520"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.00272",
    "kind": "arxiv",
    "version": 1
  }
}