Pith Number

pith:LCZC37JG

pith:2009:LCZC37JG3NHHIBTCO44U56H2GM

not attested not anchored not stored refs pending

Do Active Regions Modify Oscillation Frequencies?

F. Hill (NSO), K. Jain, S. C. Tripathy

arxiv:0903.2077 v1 · 2009-03-11 · 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{LCZC37JG3NHHIBTCO44U56H2GM}

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	2026-05-18T02:14:35.756069Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

58b22dfd26db4e74066277394ef8fa3307d183527f5e61bcc9364b68871a8f5a

Aliases

arxiv: 0903.2077 · arxiv_version: 0903.2077v1 · doi: 10.48550/arxiv.0903.2077 · pith_short_12: LCZC37JG3NHH · pith_short_16: LCZC37JG3NHHIBTC · pith_short_8: LCZC37JG

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/LCZC37JG3NHHIBTCO44U56H2GM \
  | 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: 58b22dfd26db4e74066277394ef8fa3307d183527f5e61bcc9364b68871a8f5a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ae464c785817eb92cd824d3d3984e710d44b7da114eb85017550c0e85fe24e21",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-03-11T23:32:55Z",
    "title_canon_sha256": "9a572c2cbf66530441d943975d69900ad58c2d595e8a286d874623dcaf905775"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0903.2077",
    "kind": "arxiv",
    "version": 1
  }
}