Pith Number

pith:JPZ2KQLM

pith:2023:JPZ2KQLMSXVRWUBCZPP7UVHZEF

not attested not anchored not stored refs pending

Improving Star Cluster Age Estimates in PHANGS-HST Galaxies and the Impact on Cluster Demographics in NGC 628

Adam Leroy, Angus Mok, Ashley T. Barnes, Bradley C. Whitmore, Brent Groves, Daniel A. Dale, David A. Thilker, Elizabeth Watkins, Eric Emsellem, Eva Schinnerer, Fabian Scheuermann, Francesca Pinna, Frank Bigiel, Hsi-An Pan, James Lilly, Janice C. Lee, J. M. Diederik Kruijssen, Kathryn Grasha, Kathryn Kreckel, Kiana Henny, Kirsten L. Larson, Matthew Floyd, Mattia C. Sormani, M\'ed\'eric Boquien, Patricia S\'anchez-Bl\'azquez, Ralf S. Klessen, Rebecca Minsley, Rupali Chandar, Simon Glover, Sinan Deger, Stephen Hannon, Thomas Williams

arxiv:2301.03689 v1 · 2023-01-09 · 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{JPZ2KQLMSXVRWUBCZPP7UVHZEF}

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	2026-07-05T05:37:49.078942Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4bf3a5416c95eb1b5022cbdffa54f921421a01db3e5fc4aafa9ae195c2b3d82f

Aliases

arxiv: 2301.03689 · arxiv_version: 2301.03689v1 · doi: 10.48550/arxiv.2301.03689 · pith_short_12: JPZ2KQLMSXVR · pith_short_16: JPZ2KQLMSXVRWUBC · pith_short_8: JPZ2KQLM

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/JPZ2KQLMSXVRWUBCZPP7UVHZEF \
  | 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: 4bf3a5416c95eb1b5022cbdffa54f921421a01db3e5fc4aafa9ae195c2b3d82f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dc7be71f769e817886a78cde180280c2ca66e6f7be9c21c79b60387abba52329",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2023-01-09T21:36:41Z",
    "title_canon_sha256": "50de4d18117d24074114905f9bfb0b0c197ff536f6234fcb1182a01b3c8c326b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2301.03689",
    "kind": "arxiv",
    "version": 1
  }
}