Pith Number

pith:IMSBK552

pith:2023:IMSBK552HMCFQPFU2SVXODBRT5

not attested not anchored not stored refs pending

A New Extrapolation Economy Cascadic Multigrid Method for Image Restoration Problems

Chenliang Li, Zhaoteng Chu, Ziqi Yan

arxiv:2311.03010 v1 · 2023-11-06 · math.NA · cs.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{IMSBK552HMCFQPFU2SVXODBRT5}

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	2026-07-05T07:09:34.738074Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

43241577ba3b04583cb4d4ab770c319f61c8299973dd73d878b7a9e35aefb08a

Aliases

arxiv: 2311.03010 · arxiv_version: 2311.03010v1 · doi: 10.48550/arxiv.2311.03010 · pith_short_12: IMSBK552HMCF · pith_short_16: IMSBK552HMCFQPFU · pith_short_8: IMSBK552

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/IMSBK552HMCFQPFU2SVXODBRT5 \
  | 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: 43241577ba3b04583cb4d4ab770c319f61c8299973dd73d878b7a9e35aefb08a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cc6e36c1ede7f4e05c077d792b99d3daf319a897795d22496d6ee8cecc82e809",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2023-11-06T10:28:17Z",
    "title_canon_sha256": "6f59a850a63cd17fb6149b083186c882b5c8376caa6779a86ca27d987bc4fae0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2311.03010",
    "kind": "arxiv",
    "version": 1
  }
}