Pith Number

pith:U6B6GOLU

pith:2014:U6B6GOLUUSFEFNR2N5FHWSQEHU

not attested not anchored not stored refs pending

Real-Time Hand Shape Classification

Jakub Nalepa, Michal Kawulok

arxiv:1402.2673 v1 · 2014-02-11 · 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{U6B6GOLUUSFEFNR2N5FHWSQEHU}

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	2026-05-18T02:50:33.713557Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a783e33974a48a42b63a6f4a7b4a043d22aa941b5f75c2ae14132bff3d8178b7

Aliases

arxiv: 1402.2673 · arxiv_version: 1402.2673v1 · doi: 10.48550/arxiv.1402.2673 · pith_short_12: U6B6GOLUUSFE · pith_short_16: U6B6GOLUUSFEFNR2 · pith_short_8: U6B6GOLU

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/U6B6GOLUUSFEFNR2N5FHWSQEHU \
  | 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: a783e33974a48a42b63a6f4a7b4a043d22aa941b5f75c2ae14132bff3d8178b7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "67e07d28ceafb7431d2b52faf40a8a58e94684035a5d85f64701d13a2f7a7fc2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2014-02-11T21:32:48Z",
    "title_canon_sha256": "4778beac1b31d1294a4b10bb9801138b78cf91fc5cd46d2a51801507bd0c3637"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1402.2673",
    "kind": "arxiv",
    "version": 1
  }
}