Pith Number

pith:34YAVWZP

pith:2023:34YAVWZPPLMN6PZPBXV5EV4LDL

not attested not anchored not stored refs pending

SOAP-GPU: Efficient Spectral Modelling of Stellar Activity Using Graphical Processing Units

Xavier Dumusque, Yinan Zhao

arxiv:2301.04259 v1 · 2023-01-11 · 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{34YAVWZPPLMN6PZPBXV5EV4LDL}

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	2026-07-05T05:46:34.912861Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

df300adb2f7ad8df3f2f0debd2578b1af3a64f51aaa2c4cec99e69912f9ff05e

Aliases

arxiv: 2301.04259 · arxiv_version: 2301.04259v1 · doi: 10.48550/arxiv.2301.04259 · pith_short_12: 34YAVWZPPLMN · pith_short_16: 34YAVWZPPLMN6PZP · pith_short_8: 34YAVWZP

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/34YAVWZPPLMN6PZPBXV5EV4LDL \
  | 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: df300adb2f7ad8df3f2f0debd2578b1af3a64f51aaa2c4cec99e69912f9ff05e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "99a86632c08d2c3a6a8afa31aa52ec0219736df128171e12b1242aa7d9180833",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2023-01-11T01:45:16Z",
    "title_canon_sha256": "0bb82380d82ea39d53da7baa5aa0d86d0b21470561465e3ff2426d2688fb4b43"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2301.04259",
    "kind": "arxiv",
    "version": 1
  }
}