Pith Number

pith:HPZYKAQX

pith:2021:HPZYKAQXFILYRK536FKZXNGKLI

not attested not anchored not stored refs pending

New Constraints on the $^{12}$CO(2-1)/(1-0) Line Ratio Across Nearby Disc Galaxies

A. Hughes, A. K. Leroy, A. Schruba, A. T. Barnes, A. Usero, C. M. Faesi, D. Chatzigiannakis, D. Liu, E. Rosolowsky, E. Schinnerer, F. Bigiel, J. M. D. Kruijssen, J. Pety, J. Puschnig, J. S. den Brok, K. Grasha, L. Neumann, M. J. Jim\'enez-Donaire, M. Querejeta, S. Stuber, T. Saito

arxiv:2103.10442 v1 · 2021-03-18 · 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{HPZYKAQXFILYRK536FKZXNGKLI}

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	2026-07-05T02:29:47.463504Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3bf38502172a1788abbbf1559bb4ca5a335134a05674677d8d7e4fce776f5c80

Aliases

arxiv: 2103.10442 · arxiv_version: 2103.10442v1 · doi: 10.48550/arxiv.2103.10442 · pith_short_12: HPZYKAQXFILY · pith_short_16: HPZYKAQXFILYRK53 · pith_short_8: HPZYKAQX

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/HPZYKAQXFILYRK536FKZXNGKLI \
  | 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: 3bf38502172a1788abbbf1559bb4ca5a335134a05674677d8d7e4fce776f5c80

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b822556aa2bbd508892e550ce2ffdf305cb6e1be475d6b9bebf5252adf56e574",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2021-03-18T18:00:02Z",
    "title_canon_sha256": "6b5cc59395ae52528f2ff0498e2f349559ba1774f52902fa871462833757b718"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2103.10442",
    "kind": "arxiv",
    "version": 1
  }
}