Pith Number

pith:REUVW7NN

pith:2021:REUVW7NN52GIB3W2QLAPNBEE2F

not attested not anchored not stored refs pending

A data-driven personalized smart lighting recommender system

Anuj Sharma, Atousa Zarindast, Jonathan Wood

arxiv:2104.02164 v1 · 2021-04-05 · 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{REUVW7NN52GIB3W2QLAPNBEE2F}

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	2026-07-05T02:29:15.207543Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

89295b7dadee8c80eeda82c0f68484d14fe3fdc22a0c2961da6cd1b276893843

Aliases

arxiv: 2104.02164 · arxiv_version: 2104.02164v1 · doi: 10.48550/arxiv.2104.02164 · pith_short_12: REUVW7NN52GI · pith_short_16: REUVW7NN52GIB3W2 · pith_short_8: REUVW7NN

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/REUVW7NN52GIB3W2QLAPNBEE2F \
  | 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: 89295b7dadee8c80eeda82c0f68484d14fe3fdc22a0c2961da6cd1b276893843

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "636f159a18d042749a47765f23b884ba3a139d612ca26576410ecb3e2c56ff51",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2021-04-05T21:32:43Z",
    "title_canon_sha256": "ad1bdaf41126e6adb393459e137bf93ed81b255bba9bbb188cb1c9e7c1fd64c5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.02164",
    "kind": "arxiv",
    "version": 1
  }
}