Pith Number

pith:U6NCQ4WG

pith:2019:U6NCQ4WGUN53PNC5QKXHISMHKN

not attested not anchored not stored refs pending

Comparative Performance Analysis of Image De-noising Techniques

Atul Samadhiya, Vivek Kumar

arxiv:1901.06529 v1 · 2019-01-19 · cs.CV · cs.LG · 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{U6NCQ4WGUN53PNC5QKXHISMHKN}

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	2026-05-17T23:55:49.968432Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a79a2872c6a37bb7b45d82ae744987535761298dceff9538acd377287873b9f0

Aliases

arxiv: 1901.06529 · arxiv_version: 1901.06529v1 · doi: 10.48550/arxiv.1901.06529 · pith_short_12: U6NCQ4WGUN53 · pith_short_16: U6NCQ4WGUN53PNC5 · pith_short_8: U6NCQ4WG

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/U6NCQ4WGUN53PNC5QKXHISMHKN \
  | 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: a79a2872c6a37bb7b45d82ae744987535761298dceff9538acd377287873b9f0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fe52de2b57d7178e12db368eeb1bc3fe8718401878a1e021747b738ca846e6f8",
    "cross_cats_sorted": [
      "cs.LG",
      "eess.IV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-01-19T14:16:36Z",
    "title_canon_sha256": "9d55113275ac1b2ccd761bd4dfce8d71754cc6307590d8dad20de1c9d34343de"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.06529",
    "kind": "arxiv",
    "version": 1
  }
}