Pith Number

pith:V4VSNTL2

pith:2015:V4VSNTL2NZWSH4VIMRW2ICD2Y6

not attested not anchored not stored refs pending

Compressive Sensing with Redundant Dictionaries and Structured Measurements

Deanna Needell, Felix Krahmer, Rachel Ward

arxiv:1501.03208 v2 · 2015-01-13 · cs.IT · math.IT · math.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{V4VSNTL2NZWSH4VIMRW2ICD2Y6}

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	2026-05-18T01:55:52.804574Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

af2b26cd7a6e6d23f2a8646da4087ac784ee1a8b31ba26b44e65e4e6bc6f9099

Aliases

arxiv: 1501.03208 · arxiv_version: 1501.03208v2 · doi: 10.48550/arxiv.1501.03208 · pith_short_12: V4VSNTL2NZWS · pith_short_16: V4VSNTL2NZWSH4VI · pith_short_8: V4VSNTL2

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/V4VSNTL2NZWSH4VIMRW2ICD2Y6 \
  | 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: af2b26cd7a6e6d23f2a8646da4087ac784ee1a8b31ba26b44e65e4e6bc6f9099

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "716d8568c58df23bc25b9bc30665662c2b46b8f7ab8253ece9c27542f2d9ca87",
    "cross_cats_sorted": [
      "math.IT",
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2015-01-13T23:44:56Z",
    "title_canon_sha256": "8631df900781a25418a14a2d4dd954592ae3c5d54a86f9198d82f6dbd499d173"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.03208",
    "kind": "arxiv",
    "version": 2
  }
}