pith. sign in
Pith Number

pith:5W4LW7I7

pith:2014:5W4LW7I7K3LKXQJZ526NEHW34V
not attested not anchored not stored refs pending

The 17 GHz active region number

A. A. Pacini, A. Valio, C. G. Gim\'enez de Castro, C. L. Selhorst, J. E. R. Costa, K. Shibasaki

arxiv:1406.2252 v2 · 2014-06-09 · astro-ph.SR

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{5W4LW7I7K3LKXQJZ526NEHW34V}

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 2026-05-18T01:43:01.031159Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

edb8bb7d1f56d6abc139eebcd21edbe5700c64064710552bad93ce7273f30306

Aliases

arxiv: 1406.2252 · arxiv_version: 1406.2252v2 · doi: 10.48550/arxiv.1406.2252 · pith_short_12: 5W4LW7I7K3LK · pith_short_16: 5W4LW7I7K3LKXQJZ · pith_short_8: 5W4LW7I7
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/5W4LW7I7K3LKXQJZ526NEHW34V \
  | 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: edb8bb7d1f56d6abc139eebcd21edbe5700c64064710552bad93ce7273f30306
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "2433e7ec47efc03858e11c4b67af4ab08c9d42a7b55c466b75d259faebd1942b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2014-06-09T17:35:54Z",
    "title_canon_sha256": "861f5f2c518faea0b16311de729db1bf8f1c145c0a028eea7d0f01954402cbe3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1406.2252",
    "kind": "arxiv",
    "version": 2
  }
}