Pith Number

pith:ANIB42KL

pith:2019:ANIB42KLVUOC63LMLSMFXVKFU2

not attested not anchored not stored refs pending

Total variation vs L1 regularization: a comparison of compressive sensing optimization methods for chemical detection

Chris Peterson, Elin Farnell, Elizabeth C. Schundler, Henry Kvinge, Julia R. Dupuis, Michael Kirby

arxiv:1906.10603 v1 · 2019-06-25 · eess.IV · eess.SP

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Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ANIB42KLVUOC63LMLSMFXVKFU2}

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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

More chemical detection through less sampling: amplifying chemical signals in hyperspectral data cubes through compressive sensing

Receipt and verification

First computed	2026-05-17T23:42:15.843462Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

03501e694bad1c2f6d6c5c985bd545a6bfb4d1e5170eb2909f78d43cb9d5648c

Aliases

arxiv: 1906.10603 · arxiv_version: 1906.10603v1 · doi: 10.48550/arxiv.1906.10603 · pith_short_12: ANIB42KLVUOC · pith_short_16: ANIB42KLVUOC63LM · pith_short_8: ANIB42KL

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/ANIB42KLVUOC63LMLSMFXVKFU2 \
  | 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: 03501e694bad1c2f6d6c5c985bd545a6bfb4d1e5170eb2909f78d43cb9d5648c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c6f001388fd6648d26bfce39f46f2a758ac32914bb0fbb0bb83945a70cd40a75",
    "cross_cats_sorted": [
      "eess.SP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2019-06-25T15:24:20Z",
    "title_canon_sha256": "a90f4f7d4a927cdef7895e88f97db54037b8fcfa2dc2659cf9368fbbf7684ebc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.10603",
    "kind": "arxiv",
    "version": 1
  }
}