Pith Number

pith:U2ON6EUH

pith:2015:U2ON6EUHKDFGZHP4EDJOJRKT35

not attested not anchored not stored refs pending

Fast Greedy Approaches for Compressive Sensing of Large-Scale Signals

Chun-Shien Lu, Soo-Chang Pei, Sung-Hsien Hsieh

arxiv:1509.03979 v2 · 2015-09-14 · cs.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{U2ON6EUHKDFGZHP4EDJOJRKT35}

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	2026-05-18T01:18:57.265116Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a69cdf128750ca6c9dfc20d2e4c553df6abb6d621191d5edd689fb9a450431f6

Aliases

arxiv: 1509.03979 · arxiv_version: 1509.03979v2 · doi: 10.48550/arxiv.1509.03979 · pith_short_12: U2ON6EUHKDFG · pith_short_16: U2ON6EUHKDFGZHP4 · pith_short_8: U2ON6EUH

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/U2ON6EUHKDFGZHP4EDJOJRKT35 \
  | 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: a69cdf128750ca6c9dfc20d2e4c553df6abb6d621191d5edd689fb9a450431f6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "67abe9647e0967ad15f152b2edbaf35b88b028c408a3390e9bdf8cc0937a07c5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2015-09-14T07:55:51Z",
    "title_canon_sha256": "1755cac18b02c80f2fa28f2f9428430b60acf4114d4c471eea29c0bf1ebefd1e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.03979",
    "kind": "arxiv",
    "version": 2
  }
}