Pith Number

pith:TDY2PMIR

pith:2014:TDY2PMIRLDGGZ54TOPGAKNL6PW

not attested not anchored not stored refs pending

On the absence of the RIP in real-world applications of compressed sensing and the RIP in levels

Alexander Bastounis, Anders C. Hansen

arxiv:1411.4449 v2 · 2014-11-17 · cs.IT · math.IT · math.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TDY2PMIRLDGGZ54TOPGAKNL6PW}

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	2026-05-18T01:30:01.196066Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

98f1a7b11158cc6cf79373cc05357e7d8b570f7767dc1b21234fe889b923ad28

Aliases

arxiv: 1411.4449 · arxiv_version: 1411.4449v2 · doi: 10.48550/arxiv.1411.4449 · pith_short_12: TDY2PMIRLDGG · pith_short_16: TDY2PMIRLDGGZ54T · pith_short_8: TDY2PMIR

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/TDY2PMIRLDGGZ54TOPGAKNL6PW \
  | 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: 98f1a7b11158cc6cf79373cc05357e7d8b570f7767dc1b21234fe889b923ad28

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f3854a2a181be54c7a6603b0969484589db711fe9ec58ce1badc7ebd1abe6753",
    "cross_cats_sorted": [
      "math.IT",
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2014-11-17T12:12:24Z",
    "title_canon_sha256": "40ab41e812382fab58a35bf36b03ff2b06bd0c8e689b163ded321f53784af4f8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1411.4449",
    "kind": "arxiv",
    "version": 2
  }
}