Pith Number

pith:2FZ6XUYS

pith:2021:2FZ6XUYSJPDA6CVNYHOHBKOULD

not attested not anchored not stored refs pending

MPS-ATLAS: A fast all-in-one code for synthesising stellar spectra

A. I. Shapiro, L. S. Anusha, M. Cernetic, N. M. Kostogryz, R. L. Kurucz, R. V. Tagirov, S. K. Solanki, V. Witzke, Y. C. Unruh

arxiv:2105.13611 v1 · 2021-05-28 · astro-ph.SR · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2FZ6XUYSJPDA6CVNYHOHBKOULD}

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	2026-07-05T03:14:18.471888Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d173ebd3124bc60f0aadc1dc70a9d458da8239a6c58d0221e0fd943d182005a1

Aliases

arxiv: 2105.13611 · arxiv_version: 2105.13611v1 · doi: 10.48550/arxiv.2105.13611 · pith_short_12: 2FZ6XUYSJPDA · pith_short_16: 2FZ6XUYSJPDA6CVN · pith_short_8: 2FZ6XUYS

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/2FZ6XUYSJPDA6CVNYHOHBKOULD \
  | 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: d173ebd3124bc60f0aadc1dc70a9d458da8239a6c58d0221e0fd943d182005a1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "91a92d27850b93e7e7a2ae94e8dbd1b231be22d43171618b11882f14bbb53ba6",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2021-05-28T06:39:50Z",
    "title_canon_sha256": "1914197175ee462199da39f6abc6784426a1dc6cf1a9e1327be26c9cd0318bb0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2105.13611",
    "kind": "arxiv",
    "version": 1
  }
}