Pith Number

pith:UC4NNDHK

pith:2016:UC4NNDHKSB7EXGUELYW2WWLBTV

not attested not anchored not stored refs pending

Detection and Removal of Artifacts in Astronomical Images

Emmanuel Bertin, Joseph Mohr, Martin Kummel, Michael Wetzstein, Shantanu Desai

arxiv:1601.07182 v2 · 2016-01-26 · astro-ph.IM · physics.data-an

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UC4NNDHKSB7EXGUELYW2WWLBTV}

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	2026-05-18T01:14:58.609698Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a0b8d68cea907e4b9a845e2dab59619d7415584bae0739f42fd7466c8bc6daf1

Aliases

arxiv: 1601.07182 · arxiv_version: 1601.07182v2 · doi: 10.48550/arxiv.1601.07182 · pith_short_12: UC4NNDHKSB7E · pith_short_16: UC4NNDHKSB7EXGUE · pith_short_8: UC4NNDHK

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/UC4NNDHKSB7EXGUELYW2WWLBTV \
  | 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: a0b8d68cea907e4b9a845e2dab59619d7415584bae0739f42fd7466c8bc6daf1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2a3d2becac85f01952c470588d6e4846fea8c7252acd894132bd6921b7a4c4a1",
    "cross_cats_sorted": [
      "physics.data-an"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2016-01-26T21:00:06Z",
    "title_canon_sha256": "d60e2420cc8ca0361bf05576dc7f0b195679a8c44337159d46ac4392bbe461c0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1601.07182",
    "kind": "arxiv",
    "version": 2
  }
}