Pith Number

pith:B67SPFL3

pith:2018:B67SPFL3VGEIH5IH3QBK6XUJPG

not attested not anchored not stored refs pending

Robust Calibration of Radio Interferometers in Multi-Frequency Scenario

Andr\'e Ferrari, Mohammed Nabil El Korso, Pascal Larzabal, R\'emy Boyer, Virginie Ollier

arxiv:1807.11314 v1 · 2018-07-30 · stat.AP · astro-ph.IM · eess.SP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{B67SPFL3VGEIH5IH3QBK6XUJPG}

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	2026-05-18T00:09:32.272503Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0fbf27957ba98883f507dc02af5e8979ab3d3897fbf7b05d9e72b19614c26ce0

Aliases

arxiv: 1807.11314 · arxiv_version: 1807.11314v1 · doi: 10.48550/arxiv.1807.11314 · pith_short_12: B67SPFL3VGEI · pith_short_16: B67SPFL3VGEIH5IH · pith_short_8: B67SPFL3

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/B67SPFL3VGEIH5IH3QBK6XUJPG \
  | 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: 0fbf27957ba98883f507dc02af5e8979ab3d3897fbf7b05d9e72b19614c26ce0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3470cb43ce967d74012610e36d5e2bc0424ad451890d3223018393cbb9e6ecdc",
    "cross_cats_sorted": [
      "astro-ph.IM",
      "eess.SP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.AP",
    "submitted_at": "2018-07-30T12:31:58Z",
    "title_canon_sha256": "f8837f4a224beb99fef8d9e862d4ade4a1f57556f46dec1a41d7b112e06872b4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.11314",
    "kind": "arxiv",
    "version": 1
  }
}