Pith Number

pith:NHBIFLJW

pith:2026:NHBIFLJWASL2GLV2OE3EVF3CI3

not attested not anchored not stored refs pending

A piecewise constant levelset approach for semi-blind deconvolution: Application to barcode decoding

Adriano De Cezaro, Antonio Leit\~ao, Eduardo Hafemann

arxiv:2606.01156 v1 · 2026-05-31 · 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{NHBIFLJWASL2GLV2OE3EVF3CI3}

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	2026-06-02T02:04:25.274128Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

69c282ad360497a32eba71364a976246de2ca5058196f33ca9b26920aaa23a68

Aliases

arxiv: 2606.01156 · arxiv_version: 2606.01156v1 · doi: 10.48550/arxiv.2606.01156 · pith_short_12: NHBIFLJWASL2 · pith_short_16: NHBIFLJWASL2GLV2 · pith_short_8: NHBIFLJW

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/NHBIFLJWASL2GLV2OE3EVF3CI3 \
  | 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: 69c282ad360497a32eba71364a976246de2ca5058196f33ca9b26920aaa23a68

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7aac75b5cadef3f63c841c537db30228abb98c18b49f847860e1ecc898a33899",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2026-05-31T10:53:26Z",
    "title_canon_sha256": "fa35de6d85d7262c3305f6d9f470eb747e9b8af2d056de54558ff9a45e968243"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.01156",
    "kind": "arxiv",
    "version": 1
  }
}