Pith Number

pith:V5UDFYQ4

pith:2013:V5UDFYQ4M3PDKGPFFU2QKJYPGS

not attested not anchored not stored refs pending

On the convergence of the IRLS algorithm in Non-Local Patch Regression

Kunal N. Chaudhury

arxiv:1303.0417 v2 · 2013-03-02 · cs.CV · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{V5UDFYQ4M3PDKGPFFU2QKJYPGS}

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	2026-05-18T01:51:17.857508Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

af6832e21c66de3519e52d3505270f34baceef565dca19642153933fe3e261b5

Aliases

arxiv: 1303.0417 · arxiv_version: 1303.0417v2 · doi: 10.48550/arxiv.1303.0417 · pith_short_12: V5UDFYQ4M3PD · pith_short_16: V5UDFYQ4M3PDKGPF · pith_short_8: V5UDFYQ4

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/V5UDFYQ4M3PDKGPFFU2QKJYPGS \
  | 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: af6832e21c66de3519e52d3505270f34baceef565dca19642153933fe3e261b5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2453f22da4b0237c544e13eaeb3929594796467a2a6bb5b5d90db167647126af",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2013-03-02T19:06:01Z",
    "title_canon_sha256": "e0cb267ea2442305b2d1e89ba4e14cf9aabb5b57f8dbbb6275c65a829d495faf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.0417",
    "kind": "arxiv",
    "version": 2
  }
}