Pith Number

pith:R72JFESR

pith:2025:R72JFESRPS7CYHD6Y3YC6HCULQ

not attested not anchored not stored refs pending

Gaussian Process Methods for Very Large Astrometric Data Sets

Daniel Foreman-Mackey, Lawrence M. Widrow, Thavisha E. Dharmawardena, Timothy Hapitas

arxiv:2507.10317 v1 · 2025-07-14 · astro-ph.GA · 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{R72JFESRPS7CYHD6Y3YC6HCULQ}

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	2026-07-05T11:36:49.338372Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8ff49292517cbe2c1c7ec6f02f1c545c3fff6192a2bc83f818ea24f3297cb326

Aliases

arxiv: 2507.10317 · arxiv_version: 2507.10317v1 · doi: 10.48550/arxiv.2507.10317 · pith_short_12: R72JFESRPS7C · pith_short_16: R72JFESRPS7CYHD6 · pith_short_8: R72JFESR

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/R72JFESRPS7CYHD6Y3YC6HCULQ \
  | 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: 8ff49292517cbe2c1c7ec6f02f1c545c3fff6192a2bc83f818ea24f3297cb326

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c522c73726e495ab16ac82bbd3bc3af52cb063cd25491a6cb4fd6ae09ffbb923",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2025-07-14T14:25:17Z",
    "title_canon_sha256": "da10e8f8e826857a38c33a29039192dead15fb63d472fbd5e82fd277f11b097f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.10317",
    "kind": "arxiv",
    "version": 1
  }
}