Pith Number

pith:IQ3SJRXJ

pith:2011:IQ3SJRXJ473EJ7VC6O75OVPD7R

not attested not anchored not stored refs pending

Solar cycle variations of large frequency separations of acoustic modes: Implications for asteroseismology

A.-M. Broomhall, R. New, W.J. Chaplin, Y. Elsworth

arxiv:1102.0906 v2 · 2011-02-04 · 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{IQ3SJRXJ473EJ7VC6O75OVPD7R}

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	2026-05-18T02:03:16.687868Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

443724c6e9e7f644fea2f3bfd755e3fc6ca2be5dc311bcfa0e0c26b326111e75

Aliases

arxiv: 1102.0906 · arxiv_version: 1102.0906v2 · doi: 10.48550/arxiv.1102.0906 · pith_short_12: IQ3SJRXJ473E · pith_short_16: IQ3SJRXJ473EJ7VC · pith_short_8: IQ3SJRXJ

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/IQ3SJRXJ473EJ7VC6O75OVPD7R \
  | 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: 443724c6e9e7f644fea2f3bfd755e3fc6ca2be5dc311bcfa0e0c26b326111e75

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fabf8e4b1fc3d6f6bbba1c75f52f39c2f8efbded3949216ae0aaf198449a5919",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-02-04T13:25:43Z",
    "title_canon_sha256": "fbb158be18bae2cd871672de5d13c08dde1908efc7a4df7093454a4ed39b86c7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1102.0906",
    "kind": "arxiv",
    "version": 2
  }
}