Pith Number

pith:2ZLYPRMQ

pith:2013:2ZLYPRMQEIISDFXN5GP73ATTX4

not attested not anchored not stored refs pending

Clustered Calibration: An Improvement to Radio Interferometric Direction Dependent Self-Calibration

Saleem Zaroubi, Sanaz Kazemi, Sarod Yatawatta

arxiv:1301.0633 v1 · 2013-01-03 · astro-ph.IM · cs.CE · stat.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2ZLYPRMQEIISDFXN5GP73ATTX4}

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	2026-05-18T03:18:08.165636Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d65787c59022112196ede99ffd8273bf2cf0a70eabcd5a0b1c6df4c3935eb390

Aliases

arxiv: 1301.0633 · arxiv_version: 1301.0633v1 · doi: 10.48550/arxiv.1301.0633 · pith_short_12: 2ZLYPRMQEIIS · pith_short_16: 2ZLYPRMQEIISDFXN · pith_short_8: 2ZLYPRMQ

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/2ZLYPRMQEIISDFXN5GP73ATTX4 \
  | 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: d65787c59022112196ede99ffd8273bf2cf0a70eabcd5a0b1c6df4c3935eb390

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "904aed170df1732dfbc8966c8a5b80a5f06e34b6892626f60d2722c88a1c902c",
    "cross_cats_sorted": [
      "cs.CE",
      "stat.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2013-01-03T21:13:39Z",
    "title_canon_sha256": "0758dd7f329be0e3182f5c64519df924ba2afc81cc19523263e28fca08c03a84"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.0633",
    "kind": "arxiv",
    "version": 1
  }
}