Pith Number

pith:NK25ZJXF

pith:2020:NK25ZJXFVCYHMVXMQPO3ZHTAKI

not attested not anchored not stored refs pending

A Robust Matching Pursuit Algorithm Using Information Theoretic Learning

Changming Sun, Miaohua Zhang, Michael Blumenstein, Yongsheng Gao

arxiv:2005.04541 v1 · 2020-05-10 · cs.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NK25ZJXFVCYHMVXMQPO3ZHTAKI}

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	2026-07-05T01:01:44.835871Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6ab5dca6e5a8b07656ec83ddbc9e60523de1a832cfbded817f1a2ec87b14c556

Aliases

arxiv: 2005.04541 · arxiv_version: 2005.04541v1 · doi: 10.48550/arxiv.2005.04541 · pith_short_12: NK25ZJXFVCYH · pith_short_16: NK25ZJXFVCYHMVXM · pith_short_8: NK25ZJXF

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/NK25ZJXFVCYHMVXMQPO3ZHTAKI \
  | 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: 6ab5dca6e5a8b07656ec83ddbc9e60523de1a832cfbded817f1a2ec87b14c556

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5f441a721ddf1ffca0f7bf90bcf1237acbf762b0bbce5138b5a3289cae65b177",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2020-05-10T01:36:00Z",
    "title_canon_sha256": "81a10e553aab69f1f31da98e4cd432cb5733df34e989823a92282d78788fa676"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2005.04541",
    "kind": "arxiv",
    "version": 1
  }
}