Pith Number

pith:ABU4DUV3

pith:2024:ABU4DUV36DHYFXYF6MFQ3NOTGR

not attested not anchored not stored refs pending

Ancient stellar populations in the outskirts of nearby grand-design spirals: Investigation of their star formation histories

Alessandro Bianchetti, Alvio Renzini, Andrea Enia, Ariel Werle, Cristina Maria Lofaro, Giulia Rodighiero, Laura Bisigello, Letizia Scaloni, Paolo Cassata, Viviana Casasola

arxiv:2403.18156 v1 · 2024-03-26 · 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{ABU4DUV36DHYFXYF6MFQ3NOTGR}

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	2026-07-05T08:01:05.536740Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0069c1d2bbf0cf82df05f30b0db5d33474e598ace6ba24c0eb3c69052be07dd2

Aliases

arxiv: 2403.18156 · arxiv_version: 2403.18156v1 · doi: 10.48550/arxiv.2403.18156 · pith_short_12: ABU4DUV36DHY · pith_short_16: ABU4DUV36DHYFXYF · pith_short_8: ABU4DUV3

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/ABU4DUV36DHYFXYF6MFQ3NOTGR \
  | 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: 0069c1d2bbf0cf82df05f30b0db5d33474e598ace6ba24c0eb3c69052be07dd2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "925bdceb2a65834ae190d7e7507c0e49adb00d17ada79f58383c6cbde5e60074",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2024-03-26T23:44:42Z",
    "title_canon_sha256": "29a109ad9e89510e45300ddd38ca153ac11918a5c97a47f50ab75133aa676d9f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2403.18156",
    "kind": "arxiv",
    "version": 1
  }
}