Pith Number

pith:RCQ4UC3S

pith:2026:RCQ4UC3S3XM73TAAS4RXMLMCTF

not attested not anchored not stored refs pending

Sharper Than Ever: Do Modern Observations Pin Down the Solar Radius to Converge on New Standards?

Alexander Kosovichev, Jean-Pierre Rozelot

arxiv:2605.23794 v1 · 2026-05-22 · 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{RCQ4UC3S3XM73TAAS4RXMLMCTF}

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	2026-05-25T02:02:32.861277Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

88a1ca0b72ddd9fdcc009723762d82994547feb3a5e51dcfa0e9f0f307a0115f

Aliases

arxiv: 2605.23794 · arxiv_version: 2605.23794v1 · doi: 10.48550/arxiv.2605.23794 · pith_short_12: RCQ4UC3S3XM7 · pith_short_16: RCQ4UC3S3XM73TAA · pith_short_8: RCQ4UC3S

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/RCQ4UC3S3XM73TAAS4RXMLMCTF \
  | 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: 88a1ca0b72ddd9fdcc009723762d82994547feb3a5e51dcfa0e9f0f307a0115f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4ebaf0c96ac9a3b98424b722f024e185f02b2c5facb2132db9442259ce0a0dfd",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2026-05-22T15:55:31Z",
    "title_canon_sha256": "1dd2c784c06ba4ec7af616995d78aa7185fd89ba88792eac4eb5c593ee4dc45d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.23794",
    "kind": "arxiv",
    "version": 1
  }
}