Pith Number

pith:4BQPWFRX

pith:2019:4BQPWFRXHHWWGR7WAUOEML5H5B

not attested not anchored not stored refs pending

Unified Radio Interferometric Calibration and Imaging with Joint Uncertainty Quantification

Philipp Arras, Philipp Frank, Reimar Leike, R\"udiger Westermann, Torsten En{\ss}lin

arxiv:1903.11169 v2 · 2019-03-26 · 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{4BQPWFRXHHWWGR7WAUOEML5H5B}

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	2026-05-17T23:40:08.717849Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e060fb163739ed6347f6051c462fa7e840f9dc979b5aca5aa620bc252c6049d7

Aliases

arxiv: 1903.11169 · arxiv_version: 1903.11169v2 · doi: 10.48550/arxiv.1903.11169 · pith_short_12: 4BQPWFRXHHWW · pith_short_16: 4BQPWFRXHHWWGR7W · pith_short_8: 4BQPWFRX

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/4BQPWFRXHHWWGR7WAUOEML5H5B \
  | 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: e060fb163739ed6347f6051c462fa7e840f9dc979b5aca5aa620bc252c6049d7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5c31518efce5947f3b3223f8203f62572bd88aef48760e177b8c9ad9ee3bb54f",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2019-03-26T21:52:14Z",
    "title_canon_sha256": "bb7f5acc3c8a0364956620214c83d9e69b3171438d4b1874f7d4a5c2b088b25b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.11169",
    "kind": "arxiv",
    "version": 2
  }
}