Pith Number

pith:ECY52LH3

pith:2013:ECY52LH3PXBBTHAPVOPT7KU5DO

not attested not anchored not stored refs pending

Chemical evolution of Local Group dwarf galaxies in a cosmological context -- I. A new modelling approach and its application to the Sculptor dwarf spheroidal galaxy

Donatella Romano, Else Starkenburg

arxiv:1306.1722 v1 · 2013-06-07 · 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{ECY52LH3PXBBTHAPVOPT7KU5DO}

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	2026-05-18T01:49:25.014963Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

20b1dd2cfb7dc2199c0fab9f3faa9d1bba5d9f9ad5086cb5ade33ad25ceefb9b

Aliases

arxiv: 1306.1722 · arxiv_version: 1306.1722v1 · doi: 10.48550/arxiv.1306.1722 · pith_short_12: ECY52LH3PXBB · pith_short_16: ECY52LH3PXBBTHAP · pith_short_8: ECY52LH3

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/ECY52LH3PXBBTHAPVOPT7KU5DO \
  | 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: 20b1dd2cfb7dc2199c0fab9f3faa9d1bba5d9f9ad5086cb5ade33ad25ceefb9b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "663d123f841d599c6d576a3caf11630e6046665d28530109f5522a3f69d5c5fb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2013-06-07T13:36:31Z",
    "title_canon_sha256": "ffe548c75f6b32a28e6c55148d478d2deaeecaee77845fba3395dd1e3f214b48"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1306.1722",
    "kind": "arxiv",
    "version": 1
  }
}