Pith Number

pith:Y4KIX5BE

pith:2009:Y4KIX5BEN2FKZKXZVWNQD6OBOV

not attested not anchored not stored refs pending

Nuclei in the Cosmos

Andrew W. Steiner, Arthur E. Champagne, B. Alex Brown, Brian W. O'Shea, Carl Brune, Christian Illiadis, Edward F. Brown, Francis X. Timmes, James W. Truran, Michael S. Smith, Michael Wiescher, Peter Parker, Remco G. T. Zegers, Robert E. Rutledge, Sumner Starrfield, Timothy C. Beers, William G. Lynch

arxiv:0902.3090 v1 · 2009-02-18 · 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{Y4KIX5BEN2FKZKXZVWNQD6OBOV}

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	2026-07-04T15:38:12.222492Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c7148bf4246e8aacaaf9ad9b01f9c175792b56885cc615d4593a911ce6d8a1df

Aliases

arxiv: 0902.3090 · arxiv_version: 0902.3090v1 · doi: 10.48550/arxiv.0902.3090 · pith_short_12: Y4KIX5BEN2FK · pith_short_16: Y4KIX5BEN2FKZKXZ · pith_short_8: Y4KIX5BE

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/Y4KIX5BEN2FKZKXZVWNQD6OBOV \
  | 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: c7148bf4246e8aacaaf9ad9b01f9c175792b56885cc615d4593a911ce6d8a1df

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "181a26a8b7a6a0a96ed8b00421a4cd478520712c69acca959313f4cbcee6889c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-02-18T15:06:16Z",
    "title_canon_sha256": "7e45206190de3dcd663ae08f3d470262eeb0c6c9ecefaafa2a02c12062f87592"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0902.3090",
    "kind": "arxiv",
    "version": 1
  }
}