Pith Number

pith:BFL4QY2G

pith:2011:BFL4QY2GFIOWYWAII4UVZU35QR

not attested not anchored not stored refs pending

Efficient Adaptive Compressive Sensing Using Sparse Hierarchical Learned Dictionaries

Akshay Soni, Jarvis Haupt

arxiv:1111.6923 v1 · 2011-11-29 · stat.ML · cs.CV · cs.IT · math.IT · math.PR · stat.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BFL4QY2GFIOWYWAII4UVZU35QR}

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	2026-05-18T04:07:28.238976Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0957c863462a1d6c580847295cd37d844aa106a962d9f5b408587d540d68217f

Aliases

arxiv: 1111.6923 · arxiv_version: 1111.6923v1 · doi: 10.48550/arxiv.1111.6923 · pith_short_12: BFL4QY2GFIOW · pith_short_16: BFL4QY2GFIOWYWAI · pith_short_8: BFL4QY2G

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/BFL4QY2GFIOWYWAII4UVZU35QR \
  | 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: 0957c863462a1d6c580847295cd37d844aa106a962d9f5b408587d540d68217f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "90456bc81199a791b8428ce819d6dbdbe522dd33ea4e8e5dca956399d87bab8d",
    "cross_cats_sorted": [
      "cs.CV",
      "cs.IT",
      "math.IT",
      "math.PR",
      "stat.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2011-11-29T18:31:54Z",
    "title_canon_sha256": "6a5f755dac85f33b5e50a41319295dd04ad236e55e080759f68e4709868c32ce"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.6923",
    "kind": "arxiv",
    "version": 1
  }
}