Pith Number

pith:SNFZIUUN

pith:2008:SNFZIUUND2KWWC5B44Y2BTCHME

not attested not anchored not stored refs pending

The Role of Massive Agb Stars in the Early Solar System Composition

Amanda I. Karakas, Arturo Manchado, Domingo Anibal Garcia-Hernandez, Josep M. Trigo-Rodriguez, Maria Lugaro, M. van Raai, Pedro Garcia Lario

arxiv:0812.4358 v1 · 2008-12-23 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SNFZIUUND2KWWC5B44Y2BTCHME}

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	2026-05-18T02:15:03.950181Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

934b94528d1e956b0ba1e731a0cc4761376bf60f87772439ea2518cc833bbf7a

Aliases

arxiv: 0812.4358 · arxiv_version: 0812.4358v1 · doi: 10.48550/arxiv.0812.4358 · pith_short_12: SNFZIUUND2KW · pith_short_16: SNFZIUUND2KWWC5B · pith_short_8: SNFZIUUN

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/SNFZIUUND2KWWC5B44Y2BTCHME \
  | 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: 934b94528d1e956b0ba1e731a0cc4761376bf60f87772439ea2518cc833bbf7a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0e7346a835fa88e859230e08388e5eaefa41f9ecad10488ff799a6a8f3575870",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-12-23T09:59:25Z",
    "title_canon_sha256": "ef65f3d3546825302729ffc79fd18c3bdb69aca4961011584058aeb8aa4c6d7c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0812.4358",
    "kind": "arxiv",
    "version": 1
  }
}