Pith Number

pith:6YAI3T6K

pith:2024:6YAI3T6KZ7HYP3VIMQ2RIRQMU5

not attested not anchored not stored refs pending

GalaPy, the highly optimised C++/Python spectral modelling tool for galaxies -- I. Library presentation and photometric fitting

Alessandro Bressan, Andrea Cimatti, Andrea Lapi, Darko Donevski, Francesca Perrotta, Lara Pantoni, Laura Silva, Luigi Danese, Lumen Boco, Marcella Massardi, Margherita Talia, Marika Giulietti, Martina Torsello, Meriem Behiri, Quirino D'Amato, Tommaso Ronconi

arxiv:2402.12427 v1 · 2024-02-19 · astro-ph.GA · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6YAI3T6KZ7HYP3VIMQ2RIRQMU5}

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	2026-07-05T08:21:13.089164Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f6008dcfcacfcf87eea8643514460ca759fda27fa78c5dcb06b8ba9b28337476

Aliases

arxiv: 2402.12427 · arxiv_version: 2402.12427v1 · doi: 10.48550/arxiv.2402.12427 · pith_short_12: 6YAI3T6KZ7HY · pith_short_16: 6YAI3T6KZ7HYP3VI · pith_short_8: 6YAI3T6K

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/6YAI3T6KZ7HYP3VIMQ2RIRQMU5 \
  | 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: f6008dcfcacfcf87eea8643514460ca759fda27fa78c5dcb06b8ba9b28337476

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "984f853d91cfeef7fe48dd8670f7d957056d09bb1bc276074d27fe7794186405",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2024-02-19T19:00:00Z",
    "title_canon_sha256": "b73fd4a3a95645f26e7ebaa3eb88664a8a7c1390f78589f4ae4907f4aac965c2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2402.12427",
    "kind": "arxiv",
    "version": 1
  }
}