Pith Number

pith:RRSJXULL

pith:2019:RRSJXULLI3QAXUWI76PF7EKZOH

not attested not anchored not stored refs pending

On Identifiability and Estimability of Direction Dependent Calibration of Radio Interferometric Arrays

A. Mouri Sardarabadi, L.V.E. Koopmans

arxiv:1902.02482 v1 · 2019-02-07 · 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{RRSJXULLI3QAXUWI76PF7EKZOH}

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	2026-05-17T23:54:33.169764Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8c649bd16b46e00bd2c8ff9e5f915971c3190c746ffa0e241f98b90fb91ffda5

Aliases

arxiv: 1902.02482 · arxiv_version: 1902.02482v1 · doi: 10.48550/arxiv.1902.02482 · pith_short_12: RRSJXULLI3QA · pith_short_16: RRSJXULLI3QAXUWI · pith_short_8: RRSJXULL

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/RRSJXULLI3QAXUWI76PF7EKZOH \
  | 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: 8c649bd16b46e00bd2c8ff9e5f915971c3190c746ffa0e241f98b90fb91ffda5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "137d8a5ac366c758eee30b209c1b4917382bec1423f3c608b7e7e0cbc315dfd8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2019-02-07T05:48:57Z",
    "title_canon_sha256": "c1c3cf35d77b7afd1bbab0f76f8bb585003f03b5aac6c969c22660aa64504142"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.02482",
    "kind": "arxiv",
    "version": 1
  }
}