Pith Number

pith:CW4SQEKU

pith:2015:CW4SQEKUX3KCO377E3LBCDA67G

not attested not anchored not stored refs pending

Polar cap magnetic field reversals during solar grand minima: could pores play a role?

2), 3) ((1) Astronomical Institute, Academy of Sciences of the Czech Republic, A. S. Brun (3), Charles University in Prague, Czech Republic (2) Astronomical Institute, Czech Republic (3) CEA Saclay, France), France (4) IRAP, L. Jouve (4, M. Svanda (1, Ondrejov, Th. Roudier (4), Universite de Toulouse

arxiv:1511.06894 v1 · 2015-11-21 · 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{CW4SQEKUX3KCO377E3LBCDA67G}

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	2026-05-18T01:21:04.098019Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

15b9281154bed4276fff26d6110c1ef9b559c7293132d2cc5dd353d99dc43cd8

Aliases

arxiv: 1511.06894 · arxiv_version: 1511.06894v1 · doi: 10.48550/arxiv.1511.06894 · pith_short_12: CW4SQEKUX3KC · pith_short_16: CW4SQEKUX3KCO377 · pith_short_8: CW4SQEKU

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/CW4SQEKUX3KCO377E3LBCDA67G \
  | 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: 15b9281154bed4276fff26d6110c1ef9b559c7293132d2cc5dd353d99dc43cd8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ba4010e8cf1d172e150413092e50fccc21d683bf3505f22f6a8700fe6d3207ba",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2015-11-21T15:54:42Z",
    "title_canon_sha256": "42a7492a83d6e429fe902e769d61e173e2beced053820d182edf043d631c1a31"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.06894",
    "kind": "arxiv",
    "version": 1
  }
}