Pith Number

pith:BWSZ3CKQ

pith:2009:BWSZ3CKQPPN3WHESJF7GGO23TC

not attested not anchored not stored refs pending

Compressive Sampling with Known Spectral Energy Density

Andriyan Bayu Suksmono

arxiv:0904.1910 v3 · 2009-04-13 · cs.IT · cs.CE · math.FA · 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{BWSZ3CKQPPN3WHESJF7GGO23TC}

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	2026-05-18T03:08:15.063914Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0da59d89507bdbbb1c92497e633b5b98b69476aa41729628597c353c4b4a5674

Aliases

arxiv: 0904.1910 · arxiv_version: 0904.1910v3 · doi: 10.48550/arxiv.0904.1910 · pith_short_12: BWSZ3CKQPPN3 · pith_short_16: BWSZ3CKQPPN3WHES · pith_short_8: BWSZ3CKQ

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/BWSZ3CKQPPN3WHESJF7GGO23TC \
  | 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: 0da59d89507bdbbb1c92497e633b5b98b69476aa41729628597c353c4b4a5674

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "74ce3fff62b3023ea6c7b3e550b198708bfaadce6dd161d238e34d24a279b466",
    "cross_cats_sorted": [
      "cs.CE",
      "math.FA",
      "math.IT"
    ],
    "license": "http://creativecommons.org/licenses/publicdomain/",
    "primary_cat": "cs.IT",
    "submitted_at": "2009-04-13T05:09:43Z",
    "title_canon_sha256": "fdf7706cd77eae3a86d602f98314bec910b4a81f8c7b2c115f8b6e052d6a372f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0904.1910",
    "kind": "arxiv",
    "version": 3
  }
}