Pith Number

pith:4MZ6FQY5

pith:2021:4MZ6FQY5TP6YAB4NUKVMAHU6GE

not attested not anchored not stored refs pending

Asteroseismic Inference of the Central Structure in a Subgiant Star

Earl P. Bellinger, J{\o}rgen Chrisensen-Dalsgaard, Sarbani Basu, Saskia Hekker, Warrick H. Ball

arxiv:2105.04564 v2 · 2021-05-10 · 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{4MZ6FQY5TP6YAB4NUKVMAHU6GE}

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	2026-07-05T03:01:36.106996Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e333e2c31d9bfd80078da2aac01e9e313390ddfeba2e15d7acd844d1cf537c93

Aliases

arxiv: 2105.04564 · arxiv_version: 2105.04564v2 · doi: 10.48550/arxiv.2105.04564 · pith_short_12: 4MZ6FQY5TP6Y · pith_short_16: 4MZ6FQY5TP6YAB4N · pith_short_8: 4MZ6FQY5

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/4MZ6FQY5TP6YAB4NUKVMAHU6GE \
  | 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: e333e2c31d9bfd80078da2aac01e9e313390ddfeba2e15d7acd844d1cf537c93

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d108aad215c676c6d5723899ac13e58a879c47889900962c585c56a32ac14690",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2021-05-10T18:00:01Z",
    "title_canon_sha256": "f28d5926147a3c88254308afc5c7d3f9d6bee65d24ed79188fa390fff8f5ecba"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2105.04564",
    "kind": "arxiv",
    "version": 2
  }
}