Pith Number

pith:7LEVDWNA

pith:2011:7LEVDWNAANH55Y3OTDAPYBV5VX

not attested not anchored not stored refs pending

Deterministic Bounds for Restricted Isometry of Compressed Sensing Matrices

Richard G. Baraniuk, Shriram Sarvotham

arxiv:1103.3316 v2 · 2011-03-16 · 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{7LEVDWNAANH55Y3OTDAPYBV5VX}

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	2026-05-18T04:25:38.708565Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fac951d9a0034fdee36e98c0fc06bdadddf48c636d287b1243afbe95ac125f58

Aliases

arxiv: 1103.3316 · arxiv_version: 1103.3316v2 · doi: 10.48550/arxiv.1103.3316 · pith_short_12: 7LEVDWNAANH5 · pith_short_16: 7LEVDWNAANH55Y3O · pith_short_8: 7LEVDWNA

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/7LEVDWNAANH55Y3OTDAPYBV5VX \
  | 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: fac951d9a0034fdee36e98c0fc06bdadddf48c636d287b1243afbe95ac125f58

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1ba63f3ae90a26469107c7e854bb1d2383aa6cc1e1d33caa95b7380270b805e0",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2011-03-16T23:28:48Z",
    "title_canon_sha256": "32a4ad6cdda50a2465aae6e53e5767cf19988e1d840e6cd03eb67da7abafae65"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1103.3316",
    "kind": "arxiv",
    "version": 2
  }
}