Pith Number

pith:ISR4FGO3

pith:2018:ISR4FGO35ZXQAFTIABM4IIWNRE

not attested not anchored not stored refs pending

Non-convex Lasso-kind approach to compressed sensing for finite-valued signals

Sophie M. Fosson

arxiv:1811.03864 v2 · 2018-11-09 · math.OC

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ISR4FGO35ZXQAFTIABM4IIWNRE}

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	2026-05-17T23:59:27.669419Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

44a3c299dbee6f0016680059c422cd8932932428c5f39e192b69d0692d6de7ab

Aliases

arxiv: 1811.03864 · arxiv_version: 1811.03864v2 · doi: 10.48550/arxiv.1811.03864 · pith_short_12: ISR4FGO35ZXQ · pith_short_16: ISR4FGO35ZXQAFTI · pith_short_8: ISR4FGO3

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/ISR4FGO35ZXQAFTIABM4IIWNRE \
  | 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: 44a3c299dbee6f0016680059c422cd8932932428c5f39e192b69d0692d6de7ab

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cdcb0beb338b6dbf6b269740ef98e5a5fc3185cccf37b0fea30f30f10726b742",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2018-11-09T11:22:30Z",
    "title_canon_sha256": "cb723d23939a1f15028c832cf51ddfae5da7ff1f1fd5921fc193028d81154db8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.03864",
    "kind": "arxiv",
    "version": 2
  }
}