Pith Number

pith:QH4ACHTE

pith:2026:QH4ACHTESYDCRLAYGSU7UP3D2G

not attested not anchored not stored refs pending

Observing the integrated and spatially resolved Sun with ultra-high spectral resolution

A. Huster Zapke, A. Reiners, K. Royen, M. Ellwarth, S. Sch\"afer

arxiv:2606.05811 v1 · 2026-06-04 · astro-ph.IM · 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{QH4ACHTESYDCRLAYGSU7UP3D2G}

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	2026-06-05T01:15:04.106552Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

81f8011e64960628ac1834a9fa3f63d1ad26b8f55735535a5d4dbc643d5e4e76

Aliases

arxiv: 2606.05811 · arxiv_version: 2606.05811v1 · doi: 10.48550/arxiv.2606.05811 · pith_short_12: QH4ACHTESYDC · pith_short_16: QH4ACHTESYDCRLAY · pith_short_8: QH4ACHTE

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/QH4ACHTESYDCRLAYGSU7UP3D2G \
  | 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: 81f8011e64960628ac1834a9fa3f63d1ad26b8f55735535a5d4dbc643d5e4e76

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "31b124e55b048e8a50849c85235bd665c7b24b750cbfbb118aab982b0339f976",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2026-06-04T07:50:27Z",
    "title_canon_sha256": "8e27e6fa754022791fc1487f688781f2f13524be98c105a994f2e93781d63a49"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.05811",
    "kind": "arxiv",
    "version": 1
  }
}