Pith Number

pith:ZS2DSBBR

pith:2018:ZS2DSBBRO5LE3NZ6HQPAVXGMQP

not attested not anchored not stored refs pending

Stellar Surface Magneto-Convection as a Source of Astrophysical Noise II. Center-to-Limb Parameterisation of Absorption Line Profiles and Comparison to Observations

C. A. Watson, G. R. Davies, H. M. Cegla, M. L. III Palumbo, M. Mathioudakis, R. D. Haywood, S. H. Saar, S. Shelyag, W. J. Chaplin

arxiv:1807.11423 v2 · 2018-07-30 · 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{ZS2DSBBRO5LE3NZ6HQPAVXGMQP}

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	2026-05-17T23:50:27.415884Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ccb439043177564db73e3c1e0adccc83dff823e0c3fcabe8cd6e0d7bbd6b0e6d

Aliases

arxiv: 1807.11423 · arxiv_version: 1807.11423v2 · doi: 10.48550/arxiv.1807.11423 · pith_short_12: ZS2DSBBRO5LE · pith_short_16: ZS2DSBBRO5LE3NZ6 · pith_short_8: ZS2DSBBR

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/ZS2DSBBRO5LE3NZ6HQPAVXGMQP \
  | 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: ccb439043177564db73e3c1e0adccc83dff823e0c3fcabe8cd6e0d7bbd6b0e6d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f06f65f18bfeb410409be62302aad75b741d9e24694a814551560b70787b8eae",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-07-30T16:23:23Z",
    "title_canon_sha256": "0a3cee6bc8093795b89c5ae9baf6472279bb7a97fdd1805b74e601cb759bed59"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.11423",
    "kind": "arxiv",
    "version": 2
  }
}