Pith Number

pith:GO4G3LDW

pith:2017:GO4G3LDWAIAT6OG4BOBJMN762V

not attested not anchored not stored refs pending

Correlation and Class Based Block Formation for Improved Structured Dictionary Learning

Nagendra Kumar, Rohit Sinha

arxiv:1708.01448 v2 · 2017-08-04 · 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{GO4G3LDWAIAT6OG4BOBJMN762V}

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	2026-05-18T00:38:35.407688Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

33b86dac7602013f38dc0b829637fed56af40f7c10534ba1027cef8a7d5e9149

Aliases

arxiv: 1708.01448 · arxiv_version: 1708.01448v2 · doi: 10.48550/arxiv.1708.01448 · pith_short_12: GO4G3LDWAIAT · pith_short_16: GO4G3LDWAIAT6OG4 · pith_short_8: GO4G3LDW

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/GO4G3LDWAIAT6OG4BOBJMN762V \
  | 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: 33b86dac7602013f38dc0b829637fed56af40f7c10534ba1027cef8a7d5e9149

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "499baa07eeecccefa95b4119070e85620101fa44b22af5a6a29723c8a0eb47a3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2017-08-04T11:06:42Z",
    "title_canon_sha256": "fb4d8f155aa51e8561f17f82135762dd990d7355216113cffe07fe7e00b36cd4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.01448",
    "kind": "arxiv",
    "version": 2
  }
}