Pith Number

pith:5S4WV6QJ

pith:2026:5S4WV6QJNSNHYQ3TZNJON56MAF

not attested not anchored not stored refs pending

AESTRA II: Generative Spectral Modeling of the Sun as a Star for Precise Radial Velocities

Joshua N. Winn, Peter Melchior, Quang H. Tran, Sicong Lu, Yan Liang

arxiv:2606.13574 v1 · 2026-06-11 · astro-ph.EP · 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{5S4WV6QJNSNHYQ3TZNJON56MAF}

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	2026-06-12T01:10:10.959744Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ecb96afa096c9a7c4373cb52e6f7cc01477cff76c4a96cab50cc19dffc208d83

Aliases

arxiv: 2606.13574 · arxiv_version: 2606.13574v1 · doi: 10.48550/arxiv.2606.13574 · pith_short_12: 5S4WV6QJNSNH · pith_short_16: 5S4WV6QJNSNHYQ3T · pith_short_8: 5S4WV6QJ

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/5S4WV6QJNSNHYQ3TZNJON56MAF \
  | 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: ecb96afa096c9a7c4373cb52e6f7cc01477cff76c4a96cab50cc19dffc208d83

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "284b9ab616eacea1b97625ced0c0660e38a78c59e6ec837f6fc7a1e2af8cd969",
    "cross_cats_sorted": [
      "astro-ph.IM",
      "astro-ph.SR"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2026-06-11T16:59:53Z",
    "title_canon_sha256": "f07770f7ed99e439e68225c817f2ebf3bef96ef1f334f2cb576a94f1236b00f4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.13574",
    "kind": "arxiv",
    "version": 1
  }
}