Pith Number

pith:26ZI7LK4

pith:2013:26ZI7LK46UNF4LWYZ6C3OYV4EV

not attested not anchored not stored refs pending

Optimal Sensor Placement and Enhanced Sparsity for Classification

B. W. Brunton, J. L. Proctor, J. N. Kutz, S. L. Brunton

arxiv:1310.4217 v1 · 2013-10-15 · 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{26ZI7LK46UNF4LWYZ6C3OYV4EV}

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	2026-05-18T03:10:23.568129Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d7b28fad5cf51a5e2ed8cf85b762bc2556879438ee8d0a1f8a68adf6466f4868

Aliases

arxiv: 1310.4217 · arxiv_version: 1310.4217v1 · doi: 10.48550/arxiv.1310.4217 · pith_short_12: 26ZI7LK46UNF · pith_short_16: 26ZI7LK46UNF4LWY · pith_short_8: 26ZI7LK4

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/26ZI7LK46UNF4LWYZ6C3OYV4EV \
  | 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: d7b28fad5cf51a5e2ed8cf85b762bc2556879438ee8d0a1f8a68adf6466f4868

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d0b45c765157805594965e23de9b426e78ec0a70ae84f1683386a7f162bb9956",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2013-10-15T21:41:17Z",
    "title_canon_sha256": "cafda3f161a4aa427cd97f6b02fb163c45ae7d06c8a7c4b48009344aba252875"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.4217",
    "kind": "arxiv",
    "version": 1
  }
}