Pith Number

pith:VJOZ5UFC

pith:2009:VJOZ5UFC54N3WNRA2DQDPKSYZX

not attested not anchored not stored refs pending

The Effect of Different Type Ia Supernova Progenitors on Galactic Chemical Evolution

2), (2) I.N.A.F. Osservatorio Astronomico di Trieste, (3) Institute of Astronomy, (4) Dipartimento di Astronomia, E. Spitoni (1), F. Matteucci (1, R. Valiante (4) ((1) Dipartimento di Astronomia, S. Recchi (3), Universita' di Firenze), Universita' di Trieste, Vienna University

arxiv:0905.0272 v1 · 2009-05-04 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VJOZ5UFC54N3WNRA2DQDPKSYZX}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T02:13:48.136039Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

aa5d9ed0a2ef1bbb3620d0e037aa58cdea5ea05d73c3eb13597d0c7ebcf0f477

Aliases

arxiv: 0905.0272 · arxiv_version: 0905.0272v1 · doi: 10.48550/arxiv.0905.0272 · pith_short_12: VJOZ5UFC54N3 · pith_short_16: VJOZ5UFC54N3WNRA · pith_short_8: VJOZ5UFC

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/VJOZ5UFC54N3WNRA2DQDPKSYZX \
  | 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: aa5d9ed0a2ef1bbb3620d0e037aa58cdea5ea05d73c3eb13597d0c7ebcf0f477

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9636dc880b75f434da3cbe0aa1b2fa6027053e696e86bc910a6ce6c77c6df8f1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2009-05-04T13:17:39Z",
    "title_canon_sha256": "f369a915d5b55dce92ffc3f56d804692d0ff16f007045bc900cc17ae9b06fc71"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0905.0272",
    "kind": "arxiv",
    "version": 1
  }
}