Pith Number

pith:CZG64VDY

pith:2013:CZG64VDYJ35SPNETND33IZPCJ3

not attested not anchored not stored refs pending

Efficient, uninformative sampling of limb darkening coefficients for two-parameter laws

David M. Kipping

arxiv:1308.0009 v2 · 2013-07-31 · astro-ph.SR · astro-ph.EP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CZG64VDYJ35SPNETND33IZPCJ3}

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	2026-05-18T01:48:32.092396Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

164dee54784efb27b49368f7b465e24ed2dad088f97ae0e20d43d1773179b107

Aliases

arxiv: 1308.0009 · arxiv_version: 1308.0009v2 · doi: 10.48550/arxiv.1308.0009 · pith_short_12: CZG64VDYJ35S · pith_short_16: CZG64VDYJ35SPNET · pith_short_8: CZG64VDY

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/CZG64VDYJ35SPNETND33IZPCJ3 \
  | 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: 164dee54784efb27b49368f7b465e24ed2dad088f97ae0e20d43d1773179b107

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "77c0f31bef956ff52b3aae41d2d039a529a5b2f85dd8f02ab42701cc1896f00d",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-07-31T20:00:00Z",
    "title_canon_sha256": "64d210f827bb6dd63850242fac5c3cecb91014e8bf6ff1ceb4c1cb3fa7bb4a02"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.0009",
    "kind": "arxiv",
    "version": 2
  }
}