Pith Number

pith:ODISXZ7U

pith:2012:ODISXZ7UGTD4MG4TQI72NDMFZP

not attested not anchored not stored refs pending

Improving feature selection algorithms using normalised feature histograms

Akshay Maan, Alex Pappachen James

arxiv:1202.0940 v1 · 2012-02-05 · cs.AI · 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{ODISXZ7UGTD4MG4TQI72NDMFZP}

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	2026-05-18T04:03:05.728777Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

70d12be7f434c7c61b93823fa68d85cbde4ba6af871752b63e410a389705a73f

Aliases

arxiv: 1202.0940 · arxiv_version: 1202.0940v1 · doi: 10.48550/arxiv.1202.0940 · pith_short_12: ODISXZ7UGTD4 · pith_short_16: ODISXZ7UGTD4MG4T · pith_short_8: ODISXZ7U

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/ODISXZ7UGTD4MG4TQI72NDMFZP \
  | 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: 70d12be7f434c7c61b93823fa68d85cbde4ba6af871752b63e410a389705a73f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "111a7ba819e18d105a2e979142dd453c9b5f27def4e82a4676ee89170403de2e",
    "cross_cats_sorted": [
      "cs.CV"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/3.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2012-02-05T04:37:40Z",
    "title_canon_sha256": "e1942a34983b3ce175b213c8d4048e13d7c93617cc17fb923383378a0ffd4bb3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.0940",
    "kind": "arxiv",
    "version": 1
  }
}