Pith Number

pith:R654DW4Q

pith:2014:R654DW4Q5PZD4K4TWFY626VX5D

not attested not anchored not stored refs pending

LAMP: A Locally Adapting Matching Pursuit Framework for Group Sparse Signatures in Ultra-Wide Band Radar Imaging

Arijit De, Sanghamitra Dutta

arxiv:1411.4020 v1 · 2014-11-14 · 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{R654DW4Q5PZD4K4TWFY626VX5D}

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	2026-05-18T02:37:37.208213Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8fbbc1db90ebf23e2b93b171ed7ab7e8ed318f7cd90fc186eaed85efce7afe79

Aliases

arxiv: 1411.4020 · arxiv_version: 1411.4020v1 · doi: 10.48550/arxiv.1411.4020 · pith_short_12: R654DW4Q5PZD · pith_short_16: R654DW4Q5PZD4K4T · pith_short_8: R654DW4Q

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/R654DW4Q5PZD4K4TWFY626VX5D \
  | 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: 8fbbc1db90ebf23e2b93b171ed7ab7e8ed318f7cd90fc186eaed85efce7afe79

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e5b7b04c08ab31c9c4f02cecb533405f0468f831e3d66699992b832ebcf1413d",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2014-11-14T19:35:35Z",
    "title_canon_sha256": "cf575e740deb79a6a81382ad524aa64caf4d1500d21e6e162ffe8faec7755f75"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1411.4020",
    "kind": "arxiv",
    "version": 1
  }
}