Pith Number

pith:RAFMW7RK

pith:2026:RAFMW7RKTCDJW34XQISNUMBHCA

not attested not anchored not stored refs pending

Star Clusters in the Ultraviolet

Annapurni Subramaniam, Chengyuan Li, Kaushar Vaidya, Li Wang, Richard de Grijs, Samyaday Choudhury, Snehalata Sahu, Vikrant V. Jadhav

arxiv:2607.08917 v1 · 2026-07-09 · astro-ph.GA · astro-ph.SR

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RAFMW7RKTCDJW34XQISNUMBHCA}

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	2026-07-13T00:17:26.867209Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

880acb7e2a98869b6f978224da3027100456cc4660046cf313221a90f956e718

Aliases

arxiv: 2607.08917 · arxiv_version: 2607.08917v1 · doi: 10.48550/arxiv.2607.08917 · pith_short_12: RAFMW7RKTCDJ · pith_short_16: RAFMW7RKTCDJW34X · pith_short_8: RAFMW7RK

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/RAFMW7RKTCDJW34XQISNUMBHCA \
  | 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: 880acb7e2a98869b6f978224da3027100456cc4660046cf313221a90f956e718

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e9ca98f3d2196f7e0883f6cb7d95980998e2f4bd63f5aa023889dd6d06e4b64c",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2026-07-09T20:17:25Z",
    "title_canon_sha256": "ea90411613870970cca0e88d41ff65d79e6619518d969a69aea697791622a8bc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.08917",
    "kind": "arxiv",
    "version": 1
  }
}