Pith Number

pith:EDC6A3MH

pith:2022:EDC6A3MHAY74NKE4ENZMMHM7WX

not attested not anchored not stored refs pending

Approximation Theory of Wavelet Frame Based Image Restoration

Jae Kyu Choi, Jianbin Yang, Jian-Feng Cai

arxiv:2208.10416 v1 · 2022-08-22 · math.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{EDC6A3MHAY74NKE4ENZMMHM7WX}

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	2026-07-05T04:50:28.552627Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

20c5e06d87063fc6a89c2372c61d9fb5f269434d71f489f187d6d201bf20717f

Aliases

arxiv: 2208.10416 · arxiv_version: 2208.10416v1 · doi: 10.48550/arxiv.2208.10416 · pith_short_12: EDC6A3MHAY74 · pith_short_16: EDC6A3MHAY74NKE4 · pith_short_8: EDC6A3MH

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/EDC6A3MHAY74NKE4ENZMMHM7WX \
  | 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: 20c5e06d87063fc6a89c2372c61d9fb5f269434d71f489f187d6d201bf20717f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dd3320253403f868baf704e0e5fc9f0eb73c9edd74d22733ea5e449aaa86597d",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/publicdomain/zero/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2022-08-22T15:55:10Z",
    "title_canon_sha256": "828a35569ad3fbb61d5f0567516a54e97511cd40c0a690e211368c04cf147d39"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2208.10416",
    "kind": "arxiv",
    "version": 1
  }
}