Pith Number

pith:UF4IHT2J

pith:2009:UF4IHT2JKWN7OZXLLF4HKIFRY6

not attested not anchored not stored refs pending

A large stellar evolution database for population synthesis studies. V. Stellar models and isochrones with CNONa abundance anticorrelations

A. Pietrinferni (INAF-OACTe, Italy), J.W. Ferguson (Wichita State University, Liverpool JMU, M. Salaris (ARI, S. Cassisi (INAF-OACTe, S. Percival (ARI, UK), USA)

arxiv:0903.0825 v1 · 2009-03-04 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UF4IHT2JKWN7OZXLLF4HKIFRY6}

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	2026-05-18T04:29:16.155719Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a17883cf49559bf766eb59787520b1c7a94ad5922894f2ad6e86649afab1c6cf

Aliases

arxiv: 0903.0825 · arxiv_version: 0903.0825v1 · doi: 10.48550/arxiv.0903.0825 · pith_short_12: UF4IHT2JKWN7 · pith_short_16: UF4IHT2JKWN7OZXL · pith_short_8: UF4IHT2J

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/UF4IHT2JKWN7OZXLLF4HKIFRY6 \
  | 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: a17883cf49559bf766eb59787520b1c7a94ad5922894f2ad6e86649afab1c6cf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "049447806c8b6191e5e8f375e3e73bde7afebccebfe3a8ccd678969fe1077e5f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-03-04T17:35:36Z",
    "title_canon_sha256": "052a2831b4c6806ac344d062d5628ce32bdfd7debe84962b3cf75f51735d1df8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0903.0825",
    "kind": "arxiv",
    "version": 1
  }
}