Pith Number

pith:ACITTPDL

pith:2013:ACITTPDLZJM7A5CCOLGZFMUQIM

not attested not anchored not stored refs pending

Discrete Sparse Signals: Compressed Sensing by Combining OMP and the Sphere Decoder

Robert F.H. Fischer, Susanne Sparrer

arxiv:1310.2456 v1 · 2013-10-09 · 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{ACITTPDLZJM7A5CCOLGZFMUQIM}

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	2026-05-18T03:10:56.679674Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

009139bc6bca59f0744272cd92b290430819b54d72c7b39b519b6ce5c49afb39

Aliases

arxiv: 1310.2456 · arxiv_version: 1310.2456v1 · doi: 10.48550/arxiv.1310.2456 · pith_short_12: ACITTPDLZJM7 · pith_short_16: ACITTPDLZJM7A5CC · pith_short_8: ACITTPDL

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/ACITTPDLZJM7A5CCOLGZFMUQIM \
  | 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: 009139bc6bca59f0744272cd92b290430819b54d72c7b39b519b6ce5c49afb39

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "144fa54b62f4a642128ed9c6fcc20e166f233822c5dbcb84cf65c31e05e4f49f",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2013-10-09T12:48:16Z",
    "title_canon_sha256": "23f955a1f828d5235db967a05b60d69d964e6c0b1bf1f32ba04f65fd4f256e83"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.2456",
    "kind": "arxiv",
    "version": 1
  }
}