Pith Number

pith:FIAC6OAN

pith:2022:FIAC6OAN6PY2SP4EL447QOXCJI

not attested not anchored not stored refs pending

Energizing Star Formation: The Cosmic Ray Ionization Rate in NGC 253 Derived From ALCHEMI Measurements of H$_3$O$^+$ and SO

Christian Henkel, Erica Behrens, Jeffrey G. Mangum, Jonathan Holdship, Kazushi Sakamoto, Kimberly L. Emig, Kouichiro Nakanishi, Kunihiko Tanaka, Laura Colzi, Nanase Harada, Paul P. van der Werf, Rebeca Aladro, Rub\'en Herrero-Illana, Sebastien Muller, Serena Viti, Sergio Mart\'in, V\'ictor M. Rivilla, Yuki Yoshimura, Yuri Nishimura

arxiv:2204.03668 v2 · 2022-04-07 · 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{FIAC6OAN6PY2SP4EL447QOXCJI}

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	2026-07-05T04:29:57.570406Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2a002f380df3f1a93f845f39f83ae24a34c2ef511186d25495ed5a402f07a44e

Aliases

arxiv: 2204.03668 · arxiv_version: 2204.03668v2 · doi: 10.48550/arxiv.2204.03668 · pith_short_12: FIAC6OAN6PY2 · pith_short_16: FIAC6OAN6PY2SP4E · pith_short_8: FIAC6OAN

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/FIAC6OAN6PY2SP4EL447QOXCJI \
  | 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: 2a002f380df3f1a93f845f39f83ae24a34c2ef511186d25495ed5a402f07a44e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "349c0e12216d71c86ed4da37ffdc5cce766d6b048c6a27c2ec1488f00cd49d36",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2022-04-07T18:00:04Z",
    "title_canon_sha256": "b8a9cbcfd9a77efa6bf72bb3995c63fe1d6bd18373cb6117c62b2e7a7308c955"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2204.03668",
    "kind": "arxiv",
    "version": 2
  }
}