Pith Number

pith:EW343FQ3

pith:2016:EW343FQ3VWHOHS3FXU7ZMKKOHK

not attested not anchored not stored refs pending

On the efficiency of techniques for the reduction of impulsive noise in astronomical images

A. Popowicz, A. R. Kurek, B. Smolka, T. Blachowicz, V. Orlov

arxiv:1608.02452 v2 · 2016-08-08 · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EW343FQ3VWHOHS3FXU7ZMKKOHK}

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	2026-05-18T01:03:48.629666Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

25b7cd961bad8ee3cb65bd3f96294e3a830f4e90a407d851f56d8bb9a8355cdd

Aliases

arxiv: 1608.02452 · arxiv_version: 1608.02452v2 · doi: 10.48550/arxiv.1608.02452 · pith_short_12: EW343FQ3VWHO · pith_short_16: EW343FQ3VWHOHS3F · pith_short_8: EW343FQ3

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/EW343FQ3VWHOHS3FXU7ZMKKOHK \
  | 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: 25b7cd961bad8ee3cb65bd3f96294e3a830f4e90a407d851f56d8bb9a8355cdd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "49768c335b639e592ec2d8e7fd3e20fcd30068e506dab6e757b1a21f6a0ecd30",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2016-08-08T14:37:00Z",
    "title_canon_sha256": "f3b81b387dd741188397cb4d3dbda8b72a0b2843396e9912c41e0c997013a232"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1608.02452",
    "kind": "arxiv",
    "version": 2
  }
}