Pith Number

pith:EHFAJPGG

pith:2012:EHFAJPGGBWB7VUE754QL5YSYBD

not attested not anchored not stored refs pending

Feature selection using nearest attributes

Alex Pappachen James, Sima Dimitrijev

arxiv:1201.5946 v1 · 2012-01-28 · cs.CV · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EHFAJPGGBWB7VUE754QL5YSYBD}

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	2026-05-18T04:03:34.200267Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

21ca04bcc60d83fad09fef20bee25808ff4c32809a570d001f6419ae7efadceb

Aliases

arxiv: 1201.5946 · arxiv_version: 1201.5946v1 · doi: 10.48550/arxiv.1201.5946 · pith_short_12: EHFAJPGGBWB7 · pith_short_16: EHFAJPGGBWB7VUE7 · pith_short_8: EHFAJPGG

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/EHFAJPGGBWB7VUE754QL5YSYBD \
  | 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: 21ca04bcc60d83fad09fef20bee25808ff4c32809a570d001f6419ae7efadceb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2becd90952503351d4cef11b65f7397a1b0aaf6881b50be2030e0ede8d67e50c",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2012-01-28T11:37:40Z",
    "title_canon_sha256": "c159a2a1f151e531a22cf4ffeded2e2bb3137e76cd0d527a7f6d825356ed6496"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.5946",
    "kind": "arxiv",
    "version": 1
  }
}