Pith Number

pith:KKF5OUUG

pith:2010:KKF5OUUGE4YUWHXTVLTQBKVQAP

not attested not anchored not stored refs pending

The chemical evolution of elliptical galaxies with stellar and QSO dust production

A. Pipino (UCLA, F. Calura (UCLan, F.Matteucci (U.Trieste, G. Granato (INAF-Trieste), INAF-Trieste), L. Silva (INAF-Trieste), R. Maiolino (INAF-Roma), U.Trieste), X.L. Fan (U.Trieste

arxiv:1008.3875 v2 · 2010-08-23 · astro-ph.CO · 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{KKF5OUUGE4YUWHXTVLTQBKVQAP}

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	2026-05-18T02:05:43.657975Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

528bd7528627314b1ef3aae700aab003fb51817dc6eee47dce1e2433497eced1

Aliases

arxiv: 1008.3875 · arxiv_version: 1008.3875v2 · doi: 10.48550/arxiv.1008.3875 · pith_short_12: KKF5OUUGE4YU · pith_short_16: KKF5OUUGE4YUWHXT · pith_short_8: KKF5OUUG

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/KKF5OUUGE4YUWHXTVLTQBKVQAP \
  | 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: 528bd7528627314b1ef3aae700aab003fb51817dc6eee47dce1e2433497eced1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2f26b97b90d960778fc09959400ad1ae445a095280924b428f28801ccf59e425",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-08-23T18:20:48Z",
    "title_canon_sha256": "431d85472bef80cee7dbe28cf8f20ed55067202c7257d9ecebe22760c8cf98de"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1008.3875",
    "kind": "arxiv",
    "version": 2
  }
}