Pith Number

pith:ORIWGXY5

pith:2018:ORIWGXY5GIQPVN6QUK2NNCT6IK

not attested not anchored not stored refs pending

Long-Term Oscillations of Sunspots and a Special Class of Artifacts in SOHO(MDI) and SDO(HMI) Data

A.A. Soloviev, A. Riehokainen, E. Kirichek, I. Bakunina, I. Zhivanovich, L.D. Parfinenko, V.I. Efremov, V.V. Smirnova, Y.N. Varun

arxiv:1802.06379 v1 · 2018-02-18 · 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{ORIWGXY5GIQPVN6QUK2NNCT6IK}

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	2026-05-18T00:20:35.065184Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7451635f1d3220fab7d0a2b4d68a7e42892830ae11a56c73bf0131f2badf34f6

Aliases

arxiv: 1802.06379 · arxiv_version: 1802.06379v1 · doi: 10.48550/arxiv.1802.06379 · pith_short_12: ORIWGXY5GIQP · pith_short_16: ORIWGXY5GIQPVN6Q · pith_short_8: ORIWGXY5

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/ORIWGXY5GIQPVN6QUK2NNCT6IK \
  | 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: 7451635f1d3220fab7d0a2b4d68a7e42892830ae11a56c73bf0131f2badf34f6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d5b34117a275c36b293682ffb3f883014d331f08efdc6aab00bd7f90b88d14d7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-02-18T13:53:34Z",
    "title_canon_sha256": "fc601023320b8039120be6494fc5e20c577c79f6a2df76d2d0d92b130d43b163"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.06379",
    "kind": "arxiv",
    "version": 1
  }
}