Pith Number

pith:QLNLQJEA

pith:2024:QLNLQJEA3LG437HTDVFBNZ6M5V

not attested not anchored not stored refs pending

Solving Self-calibration of ALMA Data with an Optimization Method

Masayuki Yamaguchi, Shiro Ikeda, Takashi Tsukagoshi, Takeshi Nakazato, Tsutomu T. Takeuchi

arxiv:2412.03183 v1 · 2024-12-04 · astro-ph.IM · stat.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QLNLQJEA3LG437HTDVFBNZ6M5V}

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	2026-07-05T09:44:26.113542Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

82dab82480dacdcdfcf31d4a16e7cced4a86dc96632c49b541cd7309b82f456a

Aliases

arxiv: 2412.03183 · arxiv_version: 2412.03183v1 · doi: 10.48550/arxiv.2412.03183 · pith_short_12: QLNLQJEA3LG4 · pith_short_16: QLNLQJEA3LG437HT · pith_short_8: QLNLQJEA

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/QLNLQJEA3LG437HTDVFBNZ6M5V \
  | 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: 82dab82480dacdcdfcf31d4a16e7cced4a86dc96632c49b541cd7309b82f456a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d93b04e90cf08d37cfc1d60d7e5b1867c80d662e9f4aa87b7b7867be63795296",
    "cross_cats_sorted": [
      "stat.AP"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2024-12-04T10:11:22Z",
    "title_canon_sha256": "3ba285091a5bf5c7c7fd55795c63fe705b717842bd5374c593b496668a638245"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2412.03183",
    "kind": "arxiv",
    "version": 1
  }
}