Pith Number

pith:R2RQSJCA

pith:2021:R2RQSJCADQYV2AIPRC6TODH5BI

not attested not anchored not stored refs pending

Baryon Acoustic Oscillations from Integrated Neutral Gas Observations: an instrument to observe the 21cm hydrogen line in the redshift range 0.13 $<$ z $<$ 0.45 -- status update

Alessandro Marins, Amilcar Queiroz, Andr\'e Alencar Costa, Bin Wang, Bruno Maffei, Camila P. Novaes, Carlos A. Wuensche, Carlos Henrique do Nascimento Otobone, Chang Feng, Chenxi Shan, Christian Monstein, Christopher Radcliffe, Clive Dickinson, Daniel Souza Correia, Eduardo Mer\'icia, Elcio Abdalla, Elisa Ferreira, Filipe Batoni Abdalla, Franciso A. Brito, Frederico Vieira, Giancarlo De Gasperis, Gustavo Bezerra Silva, Ian Browne, Jacques Delabrouille, Jiajun Zhang, Jo\~ao Alberto de Moraes Barreto, Jordany Vieira, Juliana Fernandes Rossi dos Santos, Karin Fornazier, Larissa Santos, Linfeng Xiao, Luciano Barosi, Marcelo V. Santos, Mathieu Remazeilles, Michael Peel, Milena Martins Machado Mendes, Pablo Motta, Priscila Gutierrez, Rafael M. G. Ribeiro, Ricardo G. Landim, Richard Battye, Rui An, Stuart Harper, Telmo Machado, Thyrso Villela, Vincenzo Liccardo, Weiqiang Yang, Xue Zhang, Yin-Zhe Ma, Yu Sang, Zenghao Zhu

arxiv:2106.02107 v1 · 2021-06-03 · 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{R2RQSJCADQYV2AIPRC6TODH5BI}

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	2026-07-05T02:46:15.510166Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8ea30924401c315d010f88bd370cfd0a19f76715770688ed3e2e9a73edb00599

Aliases

arxiv: 2106.02107 · arxiv_version: 2106.02107v1 · doi: 10.48550/arxiv.2106.02107 · pith_short_12: R2RQSJCADQYV · pith_short_16: R2RQSJCADQYV2AIP · pith_short_8: R2RQSJCA

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/R2RQSJCADQYV2AIPRC6TODH5BI \
  | 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: 8ea30924401c315d010f88bd370cfd0a19f76715770688ed3e2e9a73edb00599

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "26c16e805dfcdb1761f1068244184923b8090d5ad2f071eb68bef2f109329267",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2021-06-03T19:58:48Z",
    "title_canon_sha256": "391895034ba1a0f192fd8df68c02573b692c543cb84e2b4e900cc252e4399668"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2106.02107",
    "kind": "arxiv",
    "version": 1
  }
}