Pith Number

pith:P7RTGPZ3

pith:2022:P7RTGPZ3LDGA26ULHI6NLZJTJQ

not attested not anchored not stored refs pending

Batch-efficient EigenDecomposition for Small and Medium Matrices

Nicu Sebe, Wei Wang, Yue Song

arxiv:2207.04228 v1 · 2022-07-09 · cs.CV · cs.LG · cs.NA · math.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{P7RTGPZ3LDGA26ULHI6NLZJTJQ}

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	2026-07-05T04:38:56.969231Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7fe3333f3b58cc0d7a8b3a3cd5e5334c01e4a5c464e81cc6f86f2a0ee8810806

Aliases

arxiv: 2207.04228 · arxiv_version: 2207.04228v1 · doi: 10.48550/arxiv.2207.04228 · pith_short_12: P7RTGPZ3LDGA · pith_short_16: P7RTGPZ3LDGA26UL · pith_short_8: P7RTGPZ3

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/P7RTGPZ3LDGA26ULHI6NLZJTJQ \
  | 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: 7fe3333f3b58cc0d7a8b3a3cd5e5334c01e4a5c464e81cc6f86f2a0ee8810806

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "48652a85bbe497cadf75cdca55d5e848f5e40337a1a287b1c000f1b53576b10f",
    "cross_cats_sorted": [
      "cs.LG",
      "cs.NA",
      "math.NA"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2022-07-09T09:14:12Z",
    "title_canon_sha256": "96321434c1636ed6f2ae12ff36cab5692af4ff2d96d1b4464437e1b3c711f3f1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2207.04228",
    "kind": "arxiv",
    "version": 1
  }
}