Pith Number

pith:MXO5VNC3

pith:2017:MXO5VNC3MXB47BQFSKD5LBMJOB

not attested not anchored not stored refs pending

On the variance of radio interferometric calibration solutions: Quality-based Weighting Schemes

Cyril Tasse, Etienne Bonnassieux, Oleg Smirnov, Philippe Zarka

arxiv:1711.00421 v2 · 2017-11-01 · astro-ph.IM · 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{MXO5VNC3MXB47BQFSKD5LBMJOB}

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	2026-05-18T00:10:32.182170Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

65dddab45b65c3cf86059287d58589706d23964f76a61fd09c6187686b8b265c

Aliases

arxiv: 1711.00421 · arxiv_version: 1711.00421v2 · doi: 10.48550/arxiv.1711.00421 · pith_short_12: MXO5VNC3MXB4 · pith_short_16: MXO5VNC3MXB47BQF · pith_short_8: MXO5VNC3

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/MXO5VNC3MXB47BQFSKD5LBMJOB \
  | 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: 65dddab45b65c3cf86059287d58589706d23964f76a61fd09c6187686b8b265c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "20a0f72299cb448da279a955074e2b0c7c3ddd208c98673429c913d106fba113",
    "cross_cats_sorted": [
      "stat.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2017-11-01T16:25:52Z",
    "title_canon_sha256": "64e05b50cf61794b321311de7884f6d588dc18b20fab4540dcf7e6619f0da21b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.00421",
    "kind": "arxiv",
    "version": 2
  }
}