Pith Number

pith:L3QRSFPJ

pith:2026:L3QRSFPJ2HG6CRD55PPVEAGRWE

not attested not anchored not stored refs pending

The Celestial Reference Frame at K Band: The CRF-K-2025 Catalog

(2) South African Radio Astronomy Observatory, (3) Jet Propulsion Laboratory, (4) TU Wien, (5) German Space Agency within DLR, (6) University of Tasmania, (7) Observatorio Astronomico Nacional, (8) Korea Astronomy, (9) Sejong University, Alessandra Bertarini (5), Aletha de Witt (2), Christopher S. Jacobs (3), Cristina Garcia-Miro (7), David Gordon (1), Department of Geodesy, Do-Young Byun (8) ((1) US Naval Observatory, Geoinformation, Hana Krasna (4), IGN, Jamie McCallum (6), Jeffrey A. Hodgson (9), Jonathan Quick (2), Korea), Sang-Sung Lee (8), Space Science Institute, Spain, Taehyun Jung (8), Whee Yeon Cheong (8)

arxiv:2605.27629 v1 · 2026-05-26 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{L3QRSFPJ2HG6CRD55PPVEAGRWE}

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	2026-05-28T01:04:44.736757Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5ee11915e9d1cde1447debdf5200d1b121bd3cc25a06e3a774b7508f49e48b6f

Aliases

arxiv: 2605.27629 · arxiv_version: 2605.27629v1 · doi: 10.48550/arxiv.2605.27629 · pith_short_12: L3QRSFPJ2HG6 · pith_short_16: L3QRSFPJ2HG6CRD5 · pith_short_8: L3QRSFPJ

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/L3QRSFPJ2HG6CRD55PPVEAGRWE \
  | 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: 5ee11915e9d1cde1447debdf5200d1b121bd3cc25a06e3a774b7508f49e48b6f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "670104f661fe11d928e56dbff6a9fbbc87a43c62892846ccff033584db6bd6ba",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/publicdomain/zero/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2026-05-26T19:49:35Z",
    "title_canon_sha256": "f473b92bc86a5de5507f29ceca928862852d30bfb48606660048a7966ed6ec3a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.27629",
    "kind": "arxiv",
    "version": 1
  }
}