Pith Number

pith:4LX4XJWI

pith:2026:4LX4XJWIHR6677S6LB7FFU4NP5

not attested not anchored not stored refs pending

On the Sparsity-Storage-Accuracy Tradeoff in Parsimoniously Activated Dictionary Learning

Yang Li, Yuanbo Tang, Zihui Zhao

arxiv:2606.22352 v1 · 2026-06-21 · cs.LG · 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{4LX4XJWIHR6677S6LB7FFU4NP5}

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	2026-06-23T02:13:35.514200Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e2efcba6c83c7deffe5e587e52d38d7f7a2ce98848fcbc1200fab12feb73443f

Aliases

arxiv: 2606.22352 · arxiv_version: 2606.22352v1 · doi: 10.48550/arxiv.2606.22352 · pith_short_12: 4LX4XJWIHR66 · pith_short_16: 4LX4XJWIHR6677S6 · pith_short_8: 4LX4XJWI

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/4LX4XJWIHR6677S6LB7FFU4NP5 \
  | 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: e2efcba6c83c7deffe5e587e52d38d7f7a2ce98848fcbc1200fab12feb73443f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "667f7092bfc481c6b45cf2d73dee03d52e1a7374e3df8c2a8c05bfdf70b0c8fa",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-06-21T06:20:55Z",
    "title_canon_sha256": "5b06205b7efe9f584443202308a5800188e8ed31850c6ddd92dbc5e848cde922"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.22352",
    "kind": "arxiv",
    "version": 1
  }
}