Pith Number

pith:F6PIZ3G7

pith:2022:F6PIZ3G7VP3AXTVKF6KSSM4Z7F

not attested not anchored not stored refs pending

To Sample or Not To Sample: Retrieving Exoplanetary Spectra with Variational Inference and Normalising Flows

Ahmed Al-Refaie, Ingo Waldmann, Kai Hou Yip, Quentin Changeat

arxiv:2205.07037 v2 · 2022-05-14 · 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{F6PIZ3G7VP3AXTVKF6KSSM4Z7F}

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	2026-07-05T07:13:19.269586Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2f9e8cecdfabf60bceaa2f95293399f9471346ec64eb482aed1cba0b0742e031

Aliases

arxiv: 2205.07037 · arxiv_version: 2205.07037v2 · doi: 10.48550/arxiv.2205.07037 · pith_short_12: F6PIZ3G7VP3A · pith_short_16: F6PIZ3G7VP3AXTVK · pith_short_8: F6PIZ3G7

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/F6PIZ3G7VP3AXTVKF6KSSM4Z7F \
  | 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: 2f9e8cecdfabf60bceaa2f95293399f9471346ec64eb482aed1cba0b0742e031

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8ddce0710779d9cb6ab5b9e55f38dacd6cebd72e85a1bf074f1dd521be4b2d4b",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2022-05-14T11:01:15Z",
    "title_canon_sha256": "46a4b07623488a8da3d73c8f19706f26496d9efaaa136d9db22083b1fd21bd27"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2205.07037",
    "kind": "arxiv",
    "version": 2
  }
}