Pith Number

pith:RYOQY2II

pith:2012:RYOQY2IIUCM3QWTPVLRVVMNU2K

not attested not anchored not stored refs pending

Convergence Theorems for the Non-Local Means Filter

Ion Grama, Qiyu Jin, Quansheng Liu

arxiv:1211.6143 v1 · 2012-11-26 · stat.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RYOQY2IIUCM3QWTPVLRVVMNU2K}

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	2026-05-18T03:39:52.485595Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8e1d0c6908a099b85a6faae35ab1b4d294777497257e0b91555091af7b74ef56

Aliases

arxiv: 1211.6143 · arxiv_version: 1211.6143v1 · doi: 10.48550/arxiv.1211.6143 · pith_short_12: RYOQY2IIUCM3 · pith_short_16: RYOQY2IIUCM3QWTP · pith_short_8: RYOQY2II

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/RYOQY2IIUCM3QWTPVLRVVMNU2K \
  | 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: 8e1d0c6908a099b85a6faae35ab1b4d294777497257e0b91555091af7b74ef56

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b255c4d416b3bd8fe2cd2cdbc75c4f9a0ab1f191c4f0810456ae894f5e9bfe28",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.AP",
    "submitted_at": "2012-11-26T21:48:41Z",
    "title_canon_sha256": "c7efb124e8c8ea6f708d809dfbbede2f97a65bee6da7d8ecf3053389cf6db747"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1211.6143",
    "kind": "arxiv",
    "version": 1
  }
}