Pith Number

pith:42SGR2NE

pith:2021:42SGR2NE2Z2IFQOP4WNZXKOZKT

not attested not anchored not stored refs pending

Starburst Energy Feedback Seen Through HCO$^+$/HOC$^+$ Emission in NGC 253 from ALCHEMI

Christian Henkel, David S. Meier, Erica Behrens, Jeffrey G. Mangum, Jonathan Holdship, Kazushi Sakamoto, Kouichiro Nakanishi, Kunihiko Tanaka, Laura Colzi, Nanase Harada, Paul P. van der Werf, P. K. Humire, Rebeca Aladro, Rub\'en Herrero-Illana, Sebastien Muller, Serena Viti, Sergio Mart\'in, Stefanie M\"uhle, Susanne Aalto, V\'ictor M. Rivilla, Yuki Yoshimura, Yuri Nishimura

arxiv:2109.06476 v1 · 2021-09-14 · 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{42SGR2NE2Z2IFQOP4WNZXKOZKT}

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	2026-07-05T03:40:45.801645Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e6a468e9a4d67482c1cfe59b9ba9d954ca75968b65f0bebe41e4b5316e3c2380

Aliases

arxiv: 2109.06476 · arxiv_version: 2109.06476v1 · doi: 10.48550/arxiv.2109.06476 · pith_short_12: 42SGR2NE2Z2I · pith_short_16: 42SGR2NE2Z2IFQOP · pith_short_8: 42SGR2NE

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/42SGR2NE2Z2IFQOP4WNZXKOZKT \
  | 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: e6a468e9a4d67482c1cfe59b9ba9d954ca75968b65f0bebe41e4b5316e3c2380

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b302001c59d18aa0a62bc7398c5392ebf261ee55867fec4768e76d53eeca69d8",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2021-09-14T07:08:35Z",
    "title_canon_sha256": "218f7f44d1808844ad42c3d9fd701fa69f6edd51c4b3c19942cedfab035bd0b2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.06476",
    "kind": "arxiv",
    "version": 1
  }
}