Pith Number

pith:B3ZNJM2I

pith:2017:B3ZNJM2ITJUWKEUFWO7JB34BJW

not attested not anchored not stored refs pending

Blind estimation of white Gaussian noise variance in highly textured images

Karen Egiazarian, Mykola Ponomarenko, Nikolay Gapon, Viacheslav Voronin

arxiv:1711.10792 v1 · 2017-11-29 · 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{B3ZNJM2ITJUWKEUFWO7JB34BJW}

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	2026-05-18T00:29:16.918841Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0ef2d4b3489a69651285b3be90ef814daea4d6ffda6e1fff77f0031bdbc7926b

Aliases

arxiv: 1711.10792 · arxiv_version: 1711.10792v1 · doi: 10.48550/arxiv.1711.10792 · pith_short_12: B3ZNJM2ITJUW · pith_short_16: B3ZNJM2ITJUWKEUF · pith_short_8: B3ZNJM2I

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/B3ZNJM2ITJUWKEUFWO7JB34BJW \
  | 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: 0ef2d4b3489a69651285b3be90ef814daea4d6ffda6e1fff77f0031bdbc7926b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aedd4415fa2553f53c4883d945776af5c47d75590ea1fa36f292f41de750641d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2017-11-29T11:43:26Z",
    "title_canon_sha256": "be4fcf45f9e076d053e0cf8e5918ecbfdf0d3d8da970f28522473258b55113b4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.10792",
    "kind": "arxiv",
    "version": 1
  }
}