Pith Number

pith:7YFLMX63

pith:2026:7YFLMX63JPXHKLPSPYWF2P2HOB

not attested not anchored not stored refs pending

Sub-surface structural changes associated with successive 11-yr solar activity cycles have been progressively more confined near the surface: new helioseismic results on Cycles 22 -- 25 from BiSON

Eleanor Murray, Rachel Howe, Sarbani Basu, Steven J. Hale, William J. Chaplin, Yvonne Elsworth

arxiv:2605.29528 v1 · 2026-05-28 · astro-ph.SR · astro-ph.EP

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7YFLMX63JPXHKLPSPYWF2P2HOB}

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	2026-05-29T01:05:45.274440Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fe0ab65fdb4bee752df27e2c5d3f47707e9a2e2885bee30efcb65286efeb8438

Aliases

arxiv: 2605.29528 · arxiv_version: 2605.29528v1 · doi: 10.48550/arxiv.2605.29528 · pith_short_12: 7YFLMX63JPXH · pith_short_16: 7YFLMX63JPXHKLPS · pith_short_8: 7YFLMX63

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/7YFLMX63JPXHKLPSPYWF2P2HOB \
  | 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: fe0ab65fdb4bee752df27e2c5d3f47707e9a2e2885bee30efcb65286efeb8438

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9540fd7ddf47877432d27be2facdad5df44a33bbb2e0490aa994bca409c7ee9d",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2026-05-28T07:44:25Z",
    "title_canon_sha256": "ec942bfc4cd7303b33d975357237f21d3374275f858ed0715957075b350b38de"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.29528",
    "kind": "arxiv",
    "version": 1
  }
}