Pith Number

pith:KUCPPG4X

pith:2026:KUCPPG4X4GBMW3BRBLJR3AA5II

not attested not anchored not stored refs pending

Learning spatially adaptive sparsity level maps for arbitrary convolutional dictionaries

Andreas Kofler, Christoph Kolbitsch, David Schote, Joshua Schulz, Kostas Papafitsoros

arxiv:2602.21707 v2 · 2026-02-25 · eess.IV · cs.CV · cs.LG · math.OC

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\usepackage{pith}
\pithnumber{KUCPPG4X4GBMW3BRBLJR3AA5II}

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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.

Cited by

1 paper in Pith

Learning spatially adaptive sparsity level maps for arbitrary convolutional dictionaries

Receipt and verification

First computed	2026-05-20T00:05:42.546154Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5504f79b97e182cb6c310ad31d801d4200d6660cc861661a139638b7c5ecec9c

Aliases

arxiv: 2602.21707 · arxiv_version: 2602.21707v2 · doi: 10.48550/arxiv.2602.21707 · pith_short_12: KUCPPG4X4GBM · pith_short_16: KUCPPG4X4GBMW3BR · pith_short_8: KUCPPG4X

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/KUCPPG4X4GBMW3BRBLJR3AA5II \
  | 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: 5504f79b97e182cb6c310ad31d801d4200d6660cc861661a139638b7c5ecec9c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "89d4694b263ad4761f3f878f064440807170c4ff3f6a4ab6e1a4b382833887d0",
    "cross_cats_sorted": [
      "cs.CV",
      "cs.LG",
      "math.OC"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2026-02-25T09:13:24Z",
    "title_canon_sha256": "adbe0954f0f45b3969567665db80567c616bc67810d03e8c07393a0684384947"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2602.21707",
    "kind": "arxiv",
    "version": 2
  }
}