Pith Number

pith:6NCHYVGU

pith:2021:6NCHYVGU7OSVZRBZMDTEG2V2NQ

not attested not anchored not stored refs pending

Radio antenna design for sky-averaged 21 cm cosmology experiments: the REACH case

A. Fialkov, A. Magro, A. Saxena, A. T. Josaitis, B. Gurdon, C. Craeye, C. I. Kolitsidas, D. Anstey, D. I. L. de Villiers, E. de Lera Acedo, E. Puchwein, E. Shen, G. Bernardi, G. Kulkarni, H. T. J. Bevins, I. L. V. Roque, J. A. Ely, J. Cavillot, J. Cumner, J. R. Pritchard, K. H. Scheutwinkel, K. Zarb-Adami, M. Spinelli, N. Fagnoni, N. Razavi-Ghods, O. Smirnov, P. Alexander, P. D. Meerburg, P. H. Sims, Q. Gueuning, R. Chiello, R. Hills, R. Maiolino, S. Carey, S. Mittal, T. Gessey-Jones, W. Croukamp, W. Handley

arxiv:2109.10098 v2 · 2021-09-21 · astro-ph.IM · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6NCHYVGU7OSVZRBZMDTEG2V2NQ}

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

3 papers in Pith

Systematic Spectral Distortion from Digital Whitening in Radio Telescopes and Implications for 21 cm Cosmology

The CosmoVerse White Paper: Addressing observational tensions in cosmology with systematics and fundamental physics

Systematic Spectral Distortion from Digital Whitening in Radio Telescopes and Implications for 21 cm Cosmology

Receipt and verification

First computed	2026-07-05T05:32:29.009320Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f3447c54d4fba55cc43960e6436aba6c2d8fc68a767ecd3f150a1c1cb2581807

Aliases

arxiv: 2109.10098 · arxiv_version: 2109.10098v2 · doi: 10.48550/arxiv.2109.10098 · pith_short_12: 6NCHYVGU7OSV · pith_short_16: 6NCHYVGU7OSVZRBZ · pith_short_8: 6NCHYVGU

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/6NCHYVGU7OSVZRBZMDTEG2V2NQ \
  | 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: f3447c54d4fba55cc43960e6436aba6c2d8fc68a767ecd3f150a1c1cb2581807

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8167b5a0e2d4c7c5f337e678200d7cd30e98f3e01621cfea86abb8d4ebd32d27",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2021-09-21T11:06:44Z",
    "title_canon_sha256": "7b23811c5c3a599ccef46cf21c5910d4fe33072aa16ca338c7d3380377422bf6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.10098",
    "kind": "arxiv",
    "version": 2
  }
}