Pith Number

pith:4P6553RL

pith:2025:4P6553RLCZNW4YTXGDQHHQM45R

not attested not anchored not stored refs pending

Hunting for UVdim stars in Galactic Open clusters. Clues from ultraviolet photometry

A. F. Marino, A. P. Milone, E. P. Lagioia, F. D'Antona, F. Dell'Agli, F. Muratore, G. Cordoni, G. S. Da Costa, L.Casagrande, L. Venuti

arxiv:2506.21519 v1 · 2025-06-26 · astro-ph.SR · 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{4P6553RLCZNW4YTXGDQHHQM45R}

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	2026-07-05T11:27:47.252360Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e3fddeee2b165b6e627730e073c19cec6cf1dbb7e568480bb71b86d6180d0e6e

Aliases

arxiv: 2506.21519 · arxiv_version: 2506.21519v1 · doi: 10.48550/arxiv.2506.21519 · pith_short_12: 4P6553RLCZNW · pith_short_16: 4P6553RLCZNW4YTX · pith_short_8: 4P6553RL

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/4P6553RLCZNW4YTXGDQHHQM45R \
  | 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: e3fddeee2b165b6e627730e073c19cec6cf1dbb7e568480bb71b86d6180d0e6e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c0603aca7b9f00de22e90b2a3d10f4f018890bd06a972536a27c4b1931b12fc8",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2025-06-26T17:40:14Z",
    "title_canon_sha256": "c7f77905cfca0fc236ab3fac90ce5309c1e0e315526b8311355d2ca13b6569a1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2506.21519",
    "kind": "arxiv",
    "version": 1
  }
}