Pith Number

pith:OEWBZQMF

pith:2022:OEWBZQMFZC3WK37MNSNEPYPCK3

not attested not anchored not stored refs pending

Multi-component separation, inpainting and denoising with recovery guarantees

Van Tiep Do

arxiv:2202.02806 v1 · 2022-02-06 · math.FA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OEWBZQMFZC3WK37MNSNEPYPCK3}

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	2026-07-05T03:54:33.129777Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

712c1cc185c8b7656fec6c9a47e1e256e16f3327bc068a9e0b494266d15de716

Aliases

arxiv: 2202.02806 · arxiv_version: 2202.02806v1 · doi: 10.48550/arxiv.2202.02806 · pith_short_12: OEWBZQMFZC3W · pith_short_16: OEWBZQMFZC3WK37M · pith_short_8: OEWBZQMF

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/OEWBZQMFZC3WK37MNSNEPYPCK3 \
  | 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: 712c1cc185c8b7656fec6c9a47e1e256e16f3327bc068a9e0b494266d15de716

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5a5666b30d5badd92167c3d0abbea3af904715193c06f44a3fa3f858c3fc92bb",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2022-02-06T15:58:38Z",
    "title_canon_sha256": "300beebb9c65473fa407bb5d132007f4a6712240f5e7cfa2175e1c902457f23b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2202.02806",
    "kind": "arxiv",
    "version": 1
  }
}