Pith Number

pith:CPZTDRNK

pith:2022:CPZTDRNKD2CW37XO46MMPA7CUN

not attested not anchored not stored refs pending

The Dense Gas Mass Fraction and the Relationship to Star Formation in M51

Aaron S. Evans, Angela Adamo, Benjamin Gregg, Bruce G. Elmegreen, Daniela Calzetti, Daniel Rosa-Gonzalez, F.P. Schloerb, Gopal Narayanan, James D. Lowenthal, Kamal Souccar, Kathryn Grasha, Mark Heyer, Min S. Yun, Olga Vega, Peter Teuben, Robert Kennicutt, William F. Wall, Yuping Tang

arxiv:2204.09613 v1 · 2022-04-20 · 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{CPZTDRNKD2CW37XO46MMPA7CUN}

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	2026-07-05T04:26:02.188567Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

13f331c5aa1e856dfeeee798c783e2a35caf7279416af02936a42ed8698baa91

Aliases

arxiv: 2204.09613 · arxiv_version: 2204.09613v1 · doi: 10.48550/arxiv.2204.09613 · pith_short_12: CPZTDRNKD2CW · pith_short_16: CPZTDRNKD2CW37XO · pith_short_8: CPZTDRNK

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/CPZTDRNKD2CW37XO46MMPA7CUN \
  | 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: 13f331c5aa1e856dfeeee798c783e2a35caf7279416af02936a42ed8698baa91

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e9e8a861f939b8ab8fe1d20748568cde73470f81514bdfbb8bd249783f2771d7",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2022-04-20T16:45:59Z",
    "title_canon_sha256": "05bebaa1601c30091df12a0ef27a11ae99777a525cd4c0b6414e7e60eaba3714"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2204.09613",
    "kind": "arxiv",
    "version": 1
  }
}