Pith Number

pith:N4NHXE7N

pith:2011:N4NHXE7NCQSYMQBSY63EWTNAEM

not attested not anchored not stored refs pending

Quasi periodic oscillations of solar active regions in connection with their flare activity - NoRH observations

(2) Nobeyama Radio Observatory, George B. Gelfreikh (1), Japan), Kiyoto Shibasaki (2) ((1) Central Astronomical Observatory at Pulkovo, Minamimaki, Minamisaku, Nagano, Russia, Saint-Petersburg, Vladimir E. Abramov-Maximov (1)

arxiv:1107.1620 v1 · 2011-07-08 · 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{N4NHXE7NCQSYMQBSY63EWTNAEM}

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	2026-05-18T02:21:43.230006Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6f1a7b93ed1425864032c7b64b4da02316ddb82a2de092b59eb05c6b2a56fc90

Aliases

arxiv: 1107.1620 · arxiv_version: 1107.1620v1 · doi: 10.48550/arxiv.1107.1620 · pith_short_12: N4NHXE7NCQSY · pith_short_16: N4NHXE7NCQSYMQBS · pith_short_8: N4NHXE7N

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/N4NHXE7NCQSYMQBSY63EWTNAEM \
  | 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: 6f1a7b93ed1425864032c7b64b4da02316ddb82a2de092b59eb05c6b2a56fc90

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9e496f63f210a3ba564209c833ef9c8dff7c267132e1462aa2ef16ddf5472cb9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-07-08T12:43:56Z",
    "title_canon_sha256": "15b30c277c8982348bbd837ce378e6cb5e84c2fd0f11be893c7a43cc21b4e19a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1107.1620",
    "kind": "arxiv",
    "version": 1
  }
}