Pith Number

pith:CKT663DL

pith:2016:CKT663DL3IOSHJQQZXYW7Q43NU

not attested not anchored not stored refs pending

On-line Tools for Solar Data Compiled at the Debrecen Observatory and their Extensions with the Greenwich Sunspot Data

A. Ludm\'any, L. Gy\H{o}ri, T. Baranyi

arxiv:1606.00669 v3 · 2016-06-02 · 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{CKT663DL3IOSHJQQZXYW7Q43NU}

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	2026-05-18T01:07:20.470189Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

12a7ef6c6bda1d23a610cdf16fc39b6d0a2043763317659300760df72ba4bc25

Aliases

arxiv: 1606.00669 · arxiv_version: 1606.00669v3 · doi: 10.48550/arxiv.1606.00669 · pith_short_12: CKT663DL3IOS · pith_short_16: CKT663DL3IOSHJQQ · pith_short_8: CKT663DL

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/CKT663DL3IOSHJQQZXYW7Q43NU \
  | 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: 12a7ef6c6bda1d23a610cdf16fc39b6d0a2043763317659300760df72ba4bc25

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "929e67ec855eac4f7c7fa4dde60deeb66af1196d85995b783a2a50e74e401240",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2016-06-02T13:33:40Z",
    "title_canon_sha256": "94748f1de4230176eada33fea01073f9b4275211c82a0a5e236f9693b8de1333"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1606.00669",
    "kind": "arxiv",
    "version": 3
  }
}