Pith Number

pith:T5MRARZ3

pith:2022:T5MRARZ3Q2XE6G2QZEOX3RBLNP

not attested not anchored not stored refs pending

Assessing the impact of two independent direction-dependent calibration algorithms on the LOFAR 21-cm signal power spectrum

A. R. Offringa, B. Ciardi, B. K. Gehlot, E. Ceccotti, F. G. Mertens, H. Gan, I. T. Iliev, L. V. E. Koopmans, M. Mevius, R. Ghara, S. A. Brackenhoff, S. K. Giri, S. Munshi, V. N. Pandey

arxiv:2209.07854 v2 · 2022-09-16 · astro-ph.CO · 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{T5MRARZ3Q2XE6G2QZEOX3RBLNP}

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.

Cited by

1 paper in Pith

Improved upper limits on the 21-cm signal power spectrum at $z=17.0$ and $z=20.3$ from an optimal field observed with NenuFAR

Receipt and verification

First computed	2026-07-05T09:30:54.712095Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9f5910473b86ae4f1b50c91d7dc42b6bdab97f5497ea8527955c6ca07b414a5e

Aliases

arxiv: 2209.07854 · arxiv_version: 2209.07854v2 · doi: 10.48550/arxiv.2209.07854 · pith_short_12: T5MRARZ3Q2XE · pith_short_16: T5MRARZ3Q2XE6G2Q · pith_short_8: T5MRARZ3

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/T5MRARZ3Q2XE6G2QZEOX3RBLNP \
  | 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: 9f5910473b86ae4f1b50c91d7dc42b6bdab97f5497ea8527955c6ca07b414a5e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "829e274fb13102bb28038ecec817a149efb44908da858e341de9e01c52e19223",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2022-09-16T11:21:56Z",
    "title_canon_sha256": "efa98f23f4a8586da3052de976b541668411fe5b9d8d5305052f6d9deecc0713"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2209.07854",
    "kind": "arxiv",
    "version": 2
  }
}