Pith Number

pith:DCJVL5WU

pith:2019:DCJVL5WUVUSR6FE6Y24CZSTGZR

not attested not anchored not stored refs pending

Sensing Matrix Design and Sparse Recovery on the Sphere and the Rotation Group

Arash Behboodi, Arya Bangun, Rudolf Mathar

arxiv:1904.11596 v2 · 2019-04-25 · 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{DCJVL5WUVUSR6FE6Y24CZSTGZR}

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	2026-07-05T00:56:25.130175Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

189355f6d4ad251f149ec6b82cca66cc47b4de9b68f24cf36320e1c04f10331d

Aliases

arxiv: 1904.11596 · arxiv_version: 1904.11596v2 · doi: 10.48550/arxiv.1904.11596 · pith_short_12: DCJVL5WUVUSR · pith_short_16: DCJVL5WUVUSR6FE6 · pith_short_8: DCJVL5WU

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/DCJVL5WUVUSR6FE6Y24CZSTGZR \
  | 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: 189355f6d4ad251f149ec6b82cca66cc47b4de9b68f24cf36320e1c04f10331d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d7f10b7744ea6c342b39ac0d36c20e904cb7c494bfff6d0050ac41ea6c8cafe2",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2019-04-25T21:22:07Z",
    "title_canon_sha256": "565b37e32718e1655b838a5da6cdf3c7a2d37b10ded1d37227e22fd6a2dabe60"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.11596",
    "kind": "arxiv",
    "version": 2
  }
}