Pith Number

pith:3TROJG73

pith:2025:3TROJG73TCC6PQCMSF3ZA3R7RR

not attested not anchored not stored refs pending

The 2025 Release of Cloudy

Chamani M. Gunasekera, Gargi Shaw, Gary J. Ferland, Marios Chatzikos, Maryam Dehghanian, Masahiro Tsujimoto, Peter A. M. van Hoof, Priyanka Chakraborty, Stefano Bianchi

arxiv:2508.01102 v1 · 2025-08-01 · 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{3TROJG73TCC6PQCMSF3ZA3R7RR}

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.

Cited by

6 papers in Pith

The quasi-star model for Little Red Dots: potential and challenges

Understanding the Broad-line Region of Active Galactic Nuclei with Photoionization. II. Slim disks, Self-shadowing, and BLR sizes

Escape of Water- and Metal-enriched Atmospheres from compact Hot mini-Neptunes with CHAIN

Getting to know the Stellar Clusters in NGC 1569: Bayesian inference of stellar cluster properties in a dwarf starburst galaxy

Non-LTE atmosphere models of very luminous sources and their applicability to Little Red Dots, quasi-stars, and similar objects

Receipt and verification

First computed	2026-07-05T11:47:33.209439Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dce2e49bfb9885e7c04c9177906e3f8c48a32940e1f57665feb408c9f98e1ee4

Aliases

arxiv: 2508.01102 · arxiv_version: 2508.01102v1 · doi: 10.48550/arxiv.2508.01102 · pith_short_12: 3TROJG73TCC6 · pith_short_16: 3TROJG73TCC6PQCM · pith_short_8: 3TROJG73

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/3TROJG73TCC6PQCMSF3ZA3R7RR \
  | 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: dce2e49bfb9885e7c04c9177906e3f8c48a32940e1f57665feb408c9f98e1ee4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d07318c9e9a634e04d40d28811dcca68f5c6243e26fa59e8361214df8fdeb7c8",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2025-08-01T22:41:40Z",
    "title_canon_sha256": "2f2dfbbb3065b81bdc9f159d89c8914a6ffdde4f7848a520b318a5a764c56001"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2508.01102",
    "kind": "arxiv",
    "version": 1
  }
}