Pith Number

pith:64W33TFT

pith:2013:64W33TFTGT4EUHL2QQ7OANUH7Z

not attested not anchored not stored refs pending

OMP Based Joint Sparsity Pattern Recovery Under Communication Constraints

Pramod K. Varshney, Thankshila Wimalajeewa

arxiv:1307.8320 v2 · 2013-07-31 · 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{64W33TFTGT4EUHL2QQ7OANUH7Z}

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	2026-05-18T01:48:32.251515Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f72dbdccb334f84a1d7a843ee03687fe56b243c2910a09ffc092ceb34e65c734

Aliases

arxiv: 1307.8320 · arxiv_version: 1307.8320v2 · doi: 10.48550/arxiv.1307.8320 · pith_short_12: 64W33TFTGT4E · pith_short_16: 64W33TFTGT4EUHL2 · pith_short_8: 64W33TFT

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/64W33TFTGT4EUHL2QQ7OANUH7Z \
  | 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: f72dbdccb334f84a1d7a843ee03687fe56b243c2910a09ffc092ceb34e65c734

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "56c44631e4323f8078b3405cc5cd35e111fda66399aacd7f44c20f0e1733d9ad",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2013-07-31T13:44:20Z",
    "title_canon_sha256": "18f1caf933708b052a91b3f3610cc552db7a7bd9505f63a87f5e94b486b96b7d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.8320",
    "kind": "arxiv",
    "version": 2
  }
}