pith. sign in
Pith Number

pith:B7A76I6J

pith:2014:B7A76I6J5NP5M5MJHBN7QHTB3D
not attested not anchored not stored refs pending

Doubts about the crucial role of the rising-tube mechanism in the formation of sunspot groups

A. A. Buchnev, A. V. Getling, R. Ishikawa

arxiv:1401.8077 v2 · 2014-01-31 · astro-ph.SR

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{B7A76I6J5NP5M5MJHBN7QHTB3D}

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 2026-05-18T02:29:25.124362Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

0fc1ff23c9eb5fd67589385bf81e61d8cec1a2a48a2cc075ef60baf32781ae91

Aliases

arxiv: 1401.8077 · arxiv_version: 1401.8077v2 · doi: 10.48550/arxiv.1401.8077 · pith_short_12: B7A76I6J5NP5 · pith_short_16: B7A76I6J5NP5M5MJ · pith_short_8: B7A76I6J
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/B7A76I6J5NP5M5MJHBN7QHTB3D \
  | 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: 0fc1ff23c9eb5fd67589385bf81e61d8cec1a2a48a2cc075ef60baf32781ae91
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "c30a986b41b1e0c7953def05b651d5bac49f0ff7f6fbfa8f6ff0c8fafc7627a4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2014-01-31T07:46:06Z",
    "title_canon_sha256": "334f1fd6e05536227e3315cbbdf970fbb394ed47a487d164f9b1b78c39d348d0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.8077",
    "kind": "arxiv",
    "version": 2
  }
}