Pith Number

pith:HJ5BQ644

pith:2019:HJ5BQ644QPJFA433FRE5D6WOPC

not attested not anchored not stored refs pending

Fast roughness minimizing image restoration under mixed Poisson-Gaussian noise

Manu Ghulyani, Muthuvel Arigovindan

arxiv:1902.11173 v2 · 2019-02-28 · eess.IV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HJ5BQ644QPJFA433FRE5D6WOPC}

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	2026-05-17T23:51:46.520348Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3a7a187b9c83d250737b2c49d1face78b564d1c3d04d2f4a22b9e5483cef5c49

Aliases

arxiv: 1902.11173 · arxiv_version: 1902.11173v2 · doi: 10.48550/arxiv.1902.11173 · pith_short_12: HJ5BQ644QPJF · pith_short_16: HJ5BQ644QPJFA433 · pith_short_8: HJ5BQ644

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/HJ5BQ644QPJFA433FRE5D6WOPC \
  | 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: 3a7a187b9c83d250737b2c49d1face78b564d1c3d04d2f4a22b9e5483cef5c49

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "638e0aa69dce0cb98ce076e21239c48d76d4d86e2127c633d163f69fecbb9784",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2019-02-28T15:51:51Z",
    "title_canon_sha256": "b91097400b98e26408a1e1fe8a313835aef6560eacd24be6423c20d5e7273173"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.11173",
    "kind": "arxiv",
    "version": 2
  }
}