Pith Number

pith:FK2WYWUT

pith:2021:FK2WYWUTAV7DBY6NRKYZLDUYNX

not attested not anchored not stored refs pending

A new MWA limit on the 21 cm Power Spectrum at Redshifts $\sim$ 13 $-$ 17

A. Beardsley, A. Chokshi, B. Greig, B. J. Hazelton, B. McKinley, B. Pindor, C. H. Jordan, C. Lynch, C. M. Trott, D. A. Mitchell, D. Jacobs, E. Howard, J. Bowman, J. C. Pober, J.L.B. Line, J. S. B. Wyithe, K. Hasegawa, K. Takahashi, M. F. Morales, M. Kolopanis, M. Rahimi, M. Wilensky, N. Barry, Q. Zheng, R. B. Wayth, R. Byrne, R. Joseph, R. L. Webster, S. G. Murray, S. J. Tingay, S. Yoshiura, Z. Zhang

arxiv:2105.12888 v1 · 2021-05-27 · 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{FK2WYWUTAV7DBY6NRKYZLDUYNX}

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	2026-07-05T02:55:49.106888Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2ab56c5a93057e30e3cd8ab1958e986dd6817879d422a1c2b168ed89c2b19a92

Aliases

arxiv: 2105.12888 · arxiv_version: 2105.12888v1 · doi: 10.48550/arxiv.2105.12888 · pith_short_12: FK2WYWUTAV7D · pith_short_16: FK2WYWUTAV7DBY6N · pith_short_8: FK2WYWUT

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/FK2WYWUTAV7DBY6NRKYZLDUYNX \
  | 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: 2ab56c5a93057e30e3cd8ab1958e986dd6817879d422a1c2b168ed89c2b19a92

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cd51f6e7208f595b48a5e9b9d562ceece2648fd557cf5670b74ea40f0d5c7ffe",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2021-05-27T00:46:14Z",
    "title_canon_sha256": "b3506b72bec34a24f8a01754373bd116687accc9f4f998c4dcef02045f3a6984"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2105.12888",
    "kind": "arxiv",
    "version": 1
  }
}