Pith Number

pith:NKQ4XUGV

pith:2013:NKQ4XUGVZNHDPR2GTBM46S5P3Z

not attested not anchored not stored refs pending

A Convex Functional for Image Denoising based on Patches with Constrained Overlaps and its vectorial application to Low Dose Differential Phase Tomography

Alessandro Mirone, Emmanuel Brun, Paola Coan

arxiv:1305.1256 v1 · 2013-05-06 · math.NA · cs.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NKQ4XUGVZNHDPR2GTBM46S5P3Z}

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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	2026-05-18T01:59:59.117227Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6aa1cbd0d5cb4e37c7469859cf4bafde5569a4b38e60a84d7b10ca9aedd19b92

Aliases

arxiv: 1305.1256 · arxiv_version: 1305.1256v1 · doi: 10.48550/arxiv.1305.1256 · pith_short_12: NKQ4XUGVZNHD · pith_short_16: NKQ4XUGVZNHDPR2G · pith_short_8: NKQ4XUGV

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/NKQ4XUGVZNHDPR2GTBM46S5P3Z \
  | 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: 6aa1cbd0d5cb4e37c7469859cf4bafde5569a4b38e60a84d7b10ca9aedd19b92

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b98fd3bdcb308a470ea24012e7c0dda4b879251858b826ce2c990da2c2eff086",
    "cross_cats_sorted": [
      "cs.CV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2013-05-06T17:47:44Z",
    "title_canon_sha256": "1ee3e883e317d27537274dee1c1b6135a3744e4289c1442e79dae4ae2a858369"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.1256",
    "kind": "arxiv",
    "version": 1
  }
}