Pith Number

pith:XW2FTJGE

pith:2009:XW2FTJGEJCGOG6YG3IN3ZN2SGO

not attested not anchored not stored refs pending

Dequantizing Compressed Sensing: When Oversampling and Non-Gaussian Constraints Combine

David K. Hammond, Laurent Jacques, M. Jalal Fadili

arxiv:0902.2367 v4 · 2009-02-13 · math.OC · 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{XW2FTJGEJCGOG6YG3IN3ZN2SGO}

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	2026-05-18T02:24:56.399875Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bdb459a4c4488ce37b06da1bbcb7523386d6dac49e9b1edaa6fa9fbf4786c141

Aliases

arxiv: 0902.2367 · arxiv_version: 0902.2367v4 · doi: 10.48550/arxiv.0902.2367 · pith_short_12: XW2FTJGEJCGO · pith_short_16: XW2FTJGEJCGOG6YG · pith_short_8: XW2FTJGE

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/XW2FTJGEJCGOG6YG3IN3ZN2SGO \
  | 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: bdb459a4c4488ce37b06da1bbcb7523386d6dac49e9b1edaa6fa9fbf4786c141

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "875d47e125470ff70d128ec604b0f55529acee36ea8f3cff73c084743d1935b3",
    "cross_cats_sorted": [
      "cs.IT",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2009-02-13T18:23:49Z",
    "title_canon_sha256": "ae45fa79d55b02eae43de5f0b794c567ee8a4593fbe78c55e96c7a93fc2f6af1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0902.2367",
    "kind": "arxiv",
    "version": 4
  }
}