Pith Number

pith:RBK7T5QI

pith:2026:RBK7T5QINAWBBXZWBWPZRR2NL3

not attested not anchored not stored refs pending

Higher order PCA-like rotation-invariant features for detailed shape descriptors modulo rotation

Jarek Duda

arxiv:2601.03326 v2 · 2026-01-06 · cs.CV · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RBK7T5QINAWBBXZWBWPZRR2NL3}

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	2026-06-11T01:10:31.390509Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8855f9f608682c10df360d9f98c74d5ee1a5c8c63a13410c7494deb4d034e0f3

Aliases

arxiv: 2601.03326 · arxiv_version: 2601.03326v2 · doi: 10.48550/arxiv.2601.03326 · pith_short_12: RBK7T5QINAWB · pith_short_16: RBK7T5QINAWBBXZW · pith_short_8: RBK7T5QI

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/RBK7T5QINAWBBXZWBWPZRR2NL3 \
  | 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: 8855f9f608682c10df360d9f98c74d5ee1a5c8c63a13410c7494deb4d034e0f3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d6c2860e6b9a0fef044ecd6d2bec08e917ac2834190f7baddf0d36d922eb9e5d",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2026-01-06T15:24:20Z",
    "title_canon_sha256": "d88d7a0bdd01be7c8255d38e71e9f0272a5a123f94a9aec7613e22a3c94c2218"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2601.03326",
    "kind": "arxiv",
    "version": 2
  }
}