Pith Number

pith:FX3WJ3OA

pith:2009:FX3WJ3OAS3WCCNQECKMGZOKF2V

not attested not anchored not stored refs pending

Oxygen and light element synthesis by neutron-capture reactions in metal-free and extremely metal-poor AGB stars

Masayuki Aikawa, Masayuki Y. Fujimoto, Takanori Nishimura, Takuma Suda

arxiv:0906.4494 v1 · 2009-06-24 · 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{FX3WJ3OAS3WCCNQECKMGZOKF2V}

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	2026-05-18T02:13:12.950848Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2df764edc096ec21360412986cb945d553948c93b23ab5a4535273a49d803034

Aliases

arxiv: 0906.4494 · arxiv_version: 0906.4494v1 · doi: 10.48550/arxiv.0906.4494 · pith_short_12: FX3WJ3OAS3WC · pith_short_16: FX3WJ3OAS3WCCNQE · pith_short_8: FX3WJ3OA

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/FX3WJ3OAS3WCCNQECKMGZOKF2V \
  | 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: 2df764edc096ec21360412986cb945d553948c93b23ab5a4535273a49d803034

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b52cbb75d6670c8490e716b346c6c28de9190a11282b1035277853a55a5db6e2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-06-24T14:58:38Z",
    "title_canon_sha256": "1a9326e3fa44b323a0db20c69d4b4ef06de825c361c113f416ca78780da5b666"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0906.4494",
    "kind": "arxiv",
    "version": 1
  }
}