Pith Number

pith:LDADDFHB

pith:2018:LDADDFHBFB5VTI76BI5T5LOWXX

not attested not anchored not stored refs pending

Interferometric Imaging Directly with Closure Phases and Closure Amplitudes

Andrew A. Chael, Katherine L. Bouman, Kazunori Akiyama, Lindy L. Blackburn, Michael D. Johnson, Ramesh Narayan

arxiv:1803.07088 v1 · 2018-03-19 · astro-ph.IM · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LDADDFHBFB5VTI76BI5T5LOWXX}

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	2026-05-18T00:17:38.228684Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

58c03194e1287b59a3fe0a3b3eadd6bdf17c332e85a43359e4618bf1dc2fd328

Aliases

arxiv: 1803.07088 · arxiv_version: 1803.07088v1 · doi: 10.48550/arxiv.1803.07088 · pith_short_12: LDADDFHBFB5V · pith_short_16: LDADDFHBFB5VTI76 · pith_short_8: LDADDFHB

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/LDADDFHBFB5VTI76BI5T5LOWXX \
  | 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: 58c03194e1287b59a3fe0a3b3eadd6bdf17c332e85a43359e4618bf1dc2fd328

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "427b4f395af68ec1e7761a5bb9c680b52ba4abfc048253179f5f23782209e637",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2018-03-19T18:00:20Z",
    "title_canon_sha256": "5c7578af4f9eae69d75029d282c0ae4b5fe120d9290cfc771ed5de711d5dac26"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.07088",
    "kind": "arxiv",
    "version": 1
  }
}