Pith Number

pith:ZT5YWY6W

pith:2025:ZT5YWY6WCXPEFHGIVK6I7HUZYP

not attested not anchored not stored refs pending

Study of Open Star Clusters Using the Gaia DR3: I- Poorly Studied King 2 and King 5

Abdel Naby Saad, Aly Haroon, Deniz Cennet \c{C}{\i}nar, Essam Elkholy, Waleed Elsanhoury

arxiv:2503.07730 v3 · 2025-03-10 · 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{ZT5YWY6WCXPEFHGIVK6I7HUZYP}

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	2026-07-05T10:37:46.737749Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ccfb8b63d615de429cc8aabc8f9e99c3c00dac742881ed4186a0d66058534a2f

Aliases

arxiv: 2503.07730 · arxiv_version: 2503.07730v3 · doi: 10.48550/arxiv.2503.07730 · pith_short_12: ZT5YWY6WCXPE · pith_short_16: ZT5YWY6WCXPEFHGI · pith_short_8: ZT5YWY6W

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/ZT5YWY6WCXPEFHGIVK6I7HUZYP \
  | 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: ccfb8b63d615de429cc8aabc8f9e99c3c00dac742881ed4186a0d66058534a2f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c766f76837971b6e389830a853cdde63b73aeeba6ef302d285a1dcf714a56e29",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2025-03-10T18:00:05Z",
    "title_canon_sha256": "dc3a6152a24ada37f3125de66fa371bd348f94d4e5e667512a43e5dee7c141e8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2503.07730",
    "kind": "arxiv",
    "version": 3
  }
}