Pith Number

pith:Z5CYGPAR

pith:2010:Z5CYGPARAI4N3WAWUSY7Z5KBVI

not attested not anchored not stored refs pending

Relaxing the Small Particle Approximation for Dust-grain opacities in Carbon-star Wind Models

Lars Mattsson, Susanne H\"ofner

arxiv:1010.0117 v1 · 2010-10-01 · 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{Z5CYGPARAI4N3WAWUSY7Z5KBVI}

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	2026-05-18T04:40:00.252980Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cf45833c110238ddd816a4b1fcf541aa024c9bb382beaf8c6584f6b8ca30bd73

Aliases

arxiv: 1010.0117 · arxiv_version: 1010.0117v1 · doi: 10.48550/arxiv.1010.0117 · pith_short_12: Z5CYGPARAI4N · pith_short_16: Z5CYGPARAI4N3WAW · pith_short_8: Z5CYGPAR

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/Z5CYGPARAI4N3WAWUSY7Z5KBVI \
  | 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: cf45833c110238ddd816a4b1fcf541aa024c9bb382beaf8c6584f6b8ca30bd73

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c77d7446a0ffd4981dea6d755693afc7f2998cd99ae00e7d429907de563b062f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2010-10-01T10:28:25Z",
    "title_canon_sha256": "eed1732a9506ac36321e9c338665059bb617095c145ad8baa458ef535d77e0c5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1010.0117",
    "kind": "arxiv",
    "version": 1
  }
}