Pith Number

pith:LLVELSD4

pith:2009:LLVELSD4YEMHHV3KLBLQRQCTUQ

not attested not anchored not stored refs pending

Sub-surface convection zones in hot massive stars and their observable consequences

A. de Koter, A. Voegler, D. J. Lennon, I. Brott, J. S. Vink, M. Cantiello, N. Langer, S.-C. Yoon, S. N. Shore

arxiv:0903.2049 v1 · 2009-03-11 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LLVELSD4YEMHHV3KLBLQRQCTUQ}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T02:14:35.838125Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5aea45c87cc11873d76a585708c053a40d8c2a485dd8f6dacef3fc934c1b0e22

Aliases

arxiv: 0903.2049 · arxiv_version: 0903.2049v1 · doi: 10.48550/arxiv.0903.2049 · pith_short_12: LLVELSD4YEMH · pith_short_16: LLVELSD4YEMHHV3K · pith_short_8: LLVELSD4

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/LLVELSD4YEMHHV3KLBLQRQCTUQ \
  | 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: 5aea45c87cc11873d76a585708c053a40d8c2a485dd8f6dacef3fc934c1b0e22

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cfaa8476679c8b0d9e687d30703e2c405a4a3ed85f487fb2efd8b3a66603fbb3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-03-11T20:02:18Z",
    "title_canon_sha256": "a1ae790248dbad3d64425a68685cb2a8f56e45c5a7d7f64d30f2e7b6b2ee39f8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0903.2049",
    "kind": "arxiv",
    "version": 1
  }
}