Pith Number

pith:QZDTRSS7

pith:2026:QZDTRSS7RDTVDQU6ZEXUE3C4YZ

not attested not anchored not stored refs pending

Amortized Probabilistic Retrieval of Atmospheric CO2 from OCO-2 Spectra Using Deep Learning with Laplace Approximations and Normalizing Flows

Alejandro Calle-Saldarriaga, Felix Jimenez, Jack Grosskreuz, Jiazheng Wang, Jonathan Hobbs, Matthias Katzfuss

arxiv:2606.17413 v1 · 2026-06-16 · cs.LG · stat.AP

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QZDTRSS7RDTVDQU6ZEXUE3C4YZ}

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	2026-06-19T16:10:12.204171Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

864738ca5f88e751c29ec92f426c5cc66fb3a98f8bd0f1b1b13a236cb87da90c

Aliases

arxiv: 2606.17413 · arxiv_version: 2606.17413v1 · doi: 10.48550/arxiv.2606.17413 · pith_short_12: QZDTRSS7RDTV · pith_short_16: QZDTRSS7RDTVDQU6 · pith_short_8: QZDTRSS7

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/QZDTRSS7RDTVDQU6ZEXUE3C4YZ \
  | 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: 864738ca5f88e751c29ec92f426c5cc66fb3a98f8bd0f1b1b13a236cb87da90c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "deda71db8ed470f6b47a4a5ff8b4fa947d4f0ac8a134e710aa1e14d483ffba95",
    "cross_cats_sorted": [
      "stat.AP"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-06-16T01:49:50Z",
    "title_canon_sha256": "07dd6d01e364f7e24ea84ff76aeca78f30f394c64b3ab59acad8ea25cda4e4a4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.17413",
    "kind": "arxiv",
    "version": 1
  }
}