Pith Number

pith:HLFHK25M

pith:2021:HLFHK25M6MYR2OVQVEQP2MY7GQ

not attested not anchored not stored refs pending

Implicit Feedback-based Group Recommender System for Internet of Thing Applications

Ali Kashif Bashir, Keping Yu, Mohsen Guizani, Muhammad Imran, Tan Guo, Zhiwei Guo

arxiv:2102.00835 v2 · 2021-01-29 · 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{HLFHK25M6MYR2OVQVEQP2MY7GQ}

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	2026-07-05T02:34:31.358074Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3aca756bacf3311d3ab0a920fd331f340e4387eb33f39375c413426792993a49

Aliases

arxiv: 2102.00835 · arxiv_version: 2102.00835v2 · doi: 10.48550/arxiv.2102.00835 · pith_short_12: HLFHK25M6MYR · pith_short_16: HLFHK25M6MYR2OVQ · pith_short_8: HLFHK25M

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/HLFHK25M6MYR2OVQVEQP2MY7GQ \
  | 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: 3aca756bacf3311d3ab0a920fd331f340e4387eb33f39375c413426792993a49

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b206d5426e0d564dddde53f6213917998d95c0978ef52fe0dc39734f85b962dd",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2021-01-29T12:33:33Z",
    "title_canon_sha256": "dd8d02bdedbdc011753fdf97247f94e3f5d1b9414113ecd42158852751699367"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2102.00835",
    "kind": "arxiv",
    "version": 2
  }
}