Pith Number

pith:2DRS7PGK

pith:2019:2DRS7PGKNXU3PDAL7DSSCVZJNZ

not attested not anchored not stored refs pending

Precise determination of stellar parameters of the ZZ Ceti and DAZ white dwarf GD 133 through asteroseismology

A. Esamdin, C. Li, F. Colas, G. Vauclair, H. B. Niu, H. F. Xue, J.-N. Fu, J. Su, J. Z. Liu, L. Fox Machado, L. Ma, M. Alvarez, N. Dolez, R. Michel, S.-L. Kim, T. Q. Cang, X.-J. Jiang, Y. Li

arxiv:1904.07586 v1 · 2019-04-16 · 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{2DRS7PGKNXU3PDAL7DSSCVZJNZ}

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	2026-05-17T23:47:16.462119Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d0e32fbcca6de9b78c0bf8e52157296e6a3c0b2a6089b2036e9d0cffdf9209fd

Aliases

arxiv: 1904.07586 · arxiv_version: 1904.07586v1 · doi: 10.48550/arxiv.1904.07586 · pith_short_12: 2DRS7PGKNXU3 · pith_short_16: 2DRS7PGKNXU3PDAL · pith_short_8: 2DRS7PGK

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/2DRS7PGKNXU3PDAL7DSSCVZJNZ \
  | 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: d0e32fbcca6de9b78c0bf8e52157296e6a3c0b2a6089b2036e9d0cffdf9209fd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "02662ed4171cad4c08e13d46e9773dc1dad6b38c83bf7284a125e5aea70c5976",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2019-04-16T10:41:52Z",
    "title_canon_sha256": "3c38ebf1f4a10c027349592a6b1b67ed9a60c62b9cb9f2c86c44dd9b19a533a4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.07586",
    "kind": "arxiv",
    "version": 1
  }
}