Pith Number

pith:UCK45TEJ

pith:2026:UCK45TEJT2OUHERZLGBLM3NP2M

not attested not anchored not stored refs pending

Polarity Reversal of the Polar Magnetic Fields in Solar Cycle 25

Guiping Zhou, Jingxiu Wang, Qiao Song, Shuhong Yang, Yin Li, Yuanyong Deng, Yuzong Zhang

arxiv:2606.15259 v2 · 2026-06-13 · 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{UCK45TEJT2OUHERZLGBLM3NP2M}

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	2026-06-19T16:10:01.246411Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a095cecc899e9d4392395982b66dafd326cd19dc326738124c901636d825c771

Aliases

arxiv: 2606.15259 · arxiv_version: 2606.15259v2 · doi: 10.48550/arxiv.2606.15259 · pith_short_12: UCK45TEJT2OU · pith_short_16: UCK45TEJT2OUHERZ · pith_short_8: UCK45TEJ

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/UCK45TEJT2OUHERZLGBLM3NP2M \
  | 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: a095cecc899e9d4392395982b66dafd326cd19dc326738124c901636d825c771

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "53e6aca4d39855623e0cdf605bf5977329466134db273b5410140654dae254be",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2026-06-13T11:33:05Z",
    "title_canon_sha256": "dfd40ce0313a7498abd23444e7f7245b889d9d9c66834fa4917d95d5c8ae4d73"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.15259",
    "kind": "arxiv",
    "version": 2
  }
}