Pith Number

pith:DSYGSYE5

pith:2009:DSYGSYE5MYG5WJVSPRG46BM5X5

not attested not anchored not stored refs pending

The onset of solar cycle 24: What global acoustic modes are telling us

D. Salabert, P. L. Pall\'e, R. A. Garc\'ia, S. J. Jim\'enez-Reyes

arxiv:0907.3888 v1 · 2009-07-22 · 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{DSYGSYE5MYG5WJVSPRG46BM5X5}

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	2026-05-18T02:12:54.604867Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1cb069609d660ddb26b27c4dcf059dbf722e6f9f8aff11beecab1863888ad886

Aliases

arxiv: 0907.3888 · arxiv_version: 0907.3888v1 · doi: 10.48550/arxiv.0907.3888 · pith_short_12: DSYGSYE5MYG5 · pith_short_16: DSYGSYE5MYG5WJVS · pith_short_8: DSYGSYE5

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/DSYGSYE5MYG5WJVSPRG46BM5X5 \
  | 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: 1cb069609d660ddb26b27c4dcf059dbf722e6f9f8aff11beecab1863888ad886

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "467bb592ba344b54c31946c8204d5b566352a27847979f8401dae4f554b6dcd1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-07-22T17:03:14Z",
    "title_canon_sha256": "8f5ad602352156b1fedb4209c0a9e274b57177998ec0c5dc9fb01c3ade39c0f8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0907.3888",
    "kind": "arxiv",
    "version": 1
  }
}