Pith Number

pith:YRGAD3YU

pith:2015:YRGAD3YUJG6LVERX5LR5GQR7A6

not attested not anchored not stored refs pending

Real-time $\ell^1$ -- $\ell^2$ deblurring using wavelet expansions of operators

ITAV), Paul Escande (DMIA), Pierre Weiss (IMT

arxiv:1512.08401 v1 · 2015-12-28 · math.NA · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YRGAD3YUJG6LVERX5LR5GQR7A6}

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	2026-05-18T01:23:42.422425Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c44c01ef1449bcba9237eae3d3423f0784f32892ee85dc1570062d629c8d44df

Aliases

arxiv: 1512.08401 · arxiv_version: 1512.08401v1 · doi: 10.48550/arxiv.1512.08401 · pith_short_12: YRGAD3YUJG6L · pith_short_16: YRGAD3YUJG6LVERX · pith_short_8: YRGAD3YU

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/YRGAD3YUJG6LVERX5LR5GQR7A6 \
  | 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: c44c01ef1449bcba9237eae3d3423f0784f32892ee85dc1570062d629c8d44df

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fd3d228bf4c93ccaa4629bf477fbfb25ca8d9d4d2c8487cbba50977d95161b37",
    "cross_cats_sorted": [
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2015-12-28T13:07:08Z",
    "title_canon_sha256": "e80681fe6d43213c6b4cc9ae4c5d24569b058adf65569cdda898b2b648e1b55c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.08401",
    "kind": "arxiv",
    "version": 1
  }
}