Pith Number

pith:COGAUTTO

pith:2001:COGAUTTOQ34ODVWTL7TPSU4CNU

not attested not anchored not stored refs pending

Star formation and chemical evolution in SPH simulations: a statistical approach

C. Lia, G. Carraro, L. Portinari

arxiv:astro-ph/0111084 v1 · 2001-11-05 · 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{COGAUTTOQ34ODVWTL7TPSU4CNU}

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	2026-05-18T04:18:14.654462Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

138c0a4e6e86f8e1d6d35fe6f953826d10fa21fb2f682879e817d8a8960e6232

Aliases

arxiv: astro-ph/0111084 · arxiv_version: astro-ph/0111084v1 · doi: 10.48550/arxiv.astro-ph/0111084 · pith_short_12: COGAUTTOQ34O · pith_short_16: COGAUTTOQ34ODVWT · pith_short_8: COGAUTTO

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/COGAUTTOQ34ODVWTL7TPSU4CNU \
  | 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: 138c0a4e6e86f8e1d6d35fe6f953826d10fa21fb2f682879e817d8a8960e6232

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d5c4862c4f827d9e29273d2e08dc3518a5ea5f4a18ea52517d3e0c7d5ed44ba0",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2001-11-05T12:45:41Z",
    "title_canon_sha256": "e5ea86d9146b267fec7d7c30107e17c143d21f2a48ca5f58b11b1da1c5be0dbd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0111084",
    "kind": "arxiv",
    "version": 1
  }
}