Pith Number

pith:GKFRD6JB

pith:1996:GKFRD6JBLQPSY23JFDNWVQXTR3

not attested not anchored not stored refs pending

Measuring stellar oscillations using equivalent widths of absorption lines

B. Barbuy, H. Kjeldsen, J. Reetz, T. R. Bedding

arxiv:astro-ph/9601068 v1 · 1996-01-12 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GKFRD6JBLQPSY23JFDNWVQXTR3}

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	2026-05-18T01:40:22.000220Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

328b11f9215c1f2c6b6928db6ac2f38ec112549beb1e8e5e99734897a8b5296b

Aliases

arxiv: astro-ph/9601068 · arxiv_version: astro-ph/9601068v1 · doi: 10.48550/arxiv.astro-ph/9601068 · pith_short_12: GKFRD6JBLQPS · pith_short_16: GKFRD6JBLQPSY23J · pith_short_8: GKFRD6JB

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/GKFRD6JBLQPSY23JFDNWVQXTR3 \
  | 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: 328b11f9215c1f2c6b6928db6ac2f38ec112549beb1e8e5e99734897a8b5296b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aa545044d133bef752eceed69abcb08319077692bad62dd4beb164c4f582d971",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1996-01-12T04:58:24Z",
    "title_canon_sha256": "d3c0419f742b7c7bc5fe86012e9e86cf731623a9a357d6ac35488d8c5e1d729a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9601068",
    "kind": "arxiv",
    "version": 1
  }
}