Pith Number

pith:FYP4BVE7

pith:2013:FYP4BVE7K4GTDXQFMZHUQNRHX3

not attested not anchored not stored refs pending

A new and improved quantitative recovery analysis for iterative hard thresholding algorithms in compressed sensing

Andrew Thompson, Coralia Cartis

arxiv:1309.5406 v2 · 2013-09-20 · math.NA · cs.IT · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FYP4BVE7K4GTDXQFMZHUQNRHX3}

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	2026-05-18T02:38:26.621803Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2e1fc0d49f570d31de05664f483627beff98d304662577c447343960f3a23b9b

Aliases

arxiv: 1309.5406 · arxiv_version: 1309.5406v2 · doi: 10.48550/arxiv.1309.5406 · pith_short_12: FYP4BVE7K4GT · pith_short_16: FYP4BVE7K4GTDXQF · pith_short_8: FYP4BVE7

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/FYP4BVE7K4GTDXQFMZHUQNRHX3 \
  | 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: 2e1fc0d49f570d31de05664f483627beff98d304662577c447343960f3a23b9b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "823a685e324c461cb8c437e25d4b45afde09497277f044d67bd48e7125dd64b0",
    "cross_cats_sorted": [
      "cs.IT",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2013-09-20T22:17:15Z",
    "title_canon_sha256": "b373d412fd0ba579f601b8dc831d4c73320529f895fd0af7533391d2ff4ad725"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.5406",
    "kind": "arxiv",
    "version": 2
  }
}