Pith Number

pith:IH3EPGPR

pith:2009:IH3EPGPRD2YTCXVITNMPKO7I4M

not attested not anchored not stored refs pending

Extra-Mixing in Luminous Cool Red Giants. Hints from Evolved Stars with and without Li

(2) Instituut voor Sterrenkunde, Belgium), INFN, Italy, K. U. Leuven, M. Busso (1), R. Guandalini (1), Sezione di Perugia, S. Palmerini (1), S. Uttenthaler (2) ((1) Dipartimento di Fisica, Universita' degli Studi di Perugia

arxiv:0905.4458 v1 · 2009-05-27 · astro-ph.SR

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

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	2026-05-18T02:13:31.560598Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

41f64799f11eb1315ea89b58f53be8e336966b44e0838091a447e530bfb64ce5

Aliases

arxiv: 0905.4458 · arxiv_version: 0905.4458v1 · doi: 10.48550/arxiv.0905.4458 · pith_short_12: IH3EPGPRD2YT · pith_short_16: IH3EPGPRD2YTCXVI · pith_short_8: IH3EPGPR

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/IH3EPGPRD2YTCXVITNMPKO7I4M \
  | 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: 41f64799f11eb1315ea89b58f53be8e336966b44e0838091a447e530bfb64ce5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aa4bd940034006f096ce3622cba440b472004f38c0f4927d10bea13845f37389",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-05-27T15:46:17Z",
    "title_canon_sha256": "1f1960b173edace9b15fe654063f39c997f0829195c9aa83a7beb501a8fe58ec"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0905.4458",
    "kind": "arxiv",
    "version": 1
  }
}