Pith Number

pith:SBO3IGNW

pith:2019:SBO3IGNWJBSQDH6X2ICRA65KFI

not attested not anchored not stored refs pending

Calibration of the LOFAR low-band antennas using the Galaxy and a model of the signal chain

A. Bonardi, A. Corstanje, A. Nelles, B. M. Hare, H. Falcke, J. P. Rachen, J. R. H\"orandel, K. Mulrey, L. Rossetto, O. Scholten, P. Mitra, P. Schellart, S. Buitink, S. ter Veen, S. Thoudam, T. Huege, T. N. G. Trinh, T. Winchen

arxiv:1903.05988 v1 · 2019-03-14 · 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{SBO3IGNWJBSQDH6X2ICRA65KFI}

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	2026-05-17T23:49:38.550939Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

905db419b64865019fd7d205107baa2a0cb0b79d3613ada1f5711e76718f9bcd

Aliases

arxiv: 1903.05988 · arxiv_version: 1903.05988v1 · doi: 10.48550/arxiv.1903.05988 · pith_short_12: SBO3IGNWJBSQ · pith_short_16: SBO3IGNWJBSQDH6X · pith_short_8: SBO3IGNW

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/SBO3IGNWJBSQDH6X2ICRA65KFI \
  | 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: 905db419b64865019fd7d205107baa2a0cb0b79d3613ada1f5711e76718f9bcd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1fa99642f072ff154a5cd65787ae586a87470d17b5c2c68d4a8370e8d8e061dc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2019-03-14T13:34:31Z",
    "title_canon_sha256": "add07116fda4df64151d08f509fc0c354963974037168abd4e70683e162abfb5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.05988",
    "kind": "arxiv",
    "version": 1
  }
}