Pith Number

pith:CZXWIPVI

pith:2026:CZXWIPVIYNNRZN3YHQNEZAD7TZ

not attested not anchored not stored refs pending

Direct Retrieval of Protoplanetary Disk Dust Properties using Auto-differentiable Gaussian Processes and Its Application to the HD 169142 Disk

Elena Viscardi, Enrique Mac\'ias, Giovanni Rosotti, Kiyoaki Doi, Stefano Facchini, Tomohiro C. Yoshida

arxiv:2607.12618 v1 · 2026-07-14 · astro-ph.EP · 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{CZXWIPVIYNNRZN3YHQNEZAD7TZ}

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	2026-07-15T01:22:06.954709Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

166f643ea8c35b1cb7783c1a4c807f9e5d5e6c8d67c8b31abad24ff52568b142

Aliases

arxiv: 2607.12618 · arxiv_version: 2607.12618v1 · doi: 10.48550/arxiv.2607.12618 · pith_short_12: CZXWIPVIYNNR · pith_short_16: CZXWIPVIYNNRZN3Y · pith_short_8: CZXWIPVI

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/CZXWIPVIYNNRZN3YHQNEZAD7TZ \
  | 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: 166f643ea8c35b1cb7783c1a4c807f9e5d5e6c8d67c8b31abad24ff52568b142

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "812f0f60350c0fdc999bddd531885e6ade90b4f4ea1bcf7e975c5a032a0da425",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2026-07-14T10:55:37Z",
    "title_canon_sha256": "97097c356a684aab5ccd821b0caa038f32dc5ae98fb7545bdcbba7b40d5dce5f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.12618",
    "kind": "arxiv",
    "version": 1
  }
}