Pith Number

pith:Y5JDQZA5

pith:2022:Y5JDQZA564AK3WWAMW6BXQ6GAD

not attested not anchored not stored refs pending

Mapping HI 21-cm in the Klemola 31 group at z = 0.029: emission and absorption towards PKS2020-370

Abhisek Mohapatra, E. K. Maina, E. Momjian, F. Combes, G. I. G. Jozsa, Hsiao-Wen Chen, J. D. Wagenveld, J.-K. Krogager, N. Gupta, P. Deka, P. Noterdaeme, P. Petitjean, R. Srianand, S. A. Balashev

arxiv:2206.09940 v3 · 2022-06-20 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Y5JDQZA564AK3WWAMW6BXQ6GAD}

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	2026-07-05T04:44:01.807579Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c75238641df700addac065bc1bc3c600c75383e3a1c4cc7dab99b5046910d4ad

Aliases

arxiv: 2206.09940 · arxiv_version: 2206.09940v3 · doi: 10.48550/arxiv.2206.09940 · pith_short_12: Y5JDQZA564AK · pith_short_16: Y5JDQZA564AK3WWA · pith_short_8: Y5JDQZA5

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/Y5JDQZA564AK3WWAMW6BXQ6GAD \
  | 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: c75238641df700addac065bc1bc3c600c75383e3a1c4cc7dab99b5046910d4ad

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "06b711e71df1544bcc1a080bfe28363f250a42ae988f20b35cb8fd765da41115",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2022-06-20T18:01:22Z",
    "title_canon_sha256": "e794d59a18349deb087618f879d7b65195624408ea012259eac623e7392a4300"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2206.09940",
    "kind": "arxiv",
    "version": 3
  }
}