Pith Number

pith:YKAUXO3H

pith:2025:YKAUXO3HTVWUC3EO25I4EVFZ4P

not attested not anchored not stored refs pending

Using Diffusion Models to do Data Assimilation

Daniel Hodyss, Matthias Morzfeld

arxiv:2506.02249 v2 · 2025-06-02 · physics.ao-ph · physics.data-an

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YKAUXO3HTVWUC3EO25I4EVFZ4P}

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	2026-07-05T12:00:50.387879Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c2814bbb679d6d416c8ed751c254b9e3e793697242da35ce08b319928beb17bc

Aliases

arxiv: 2506.02249 · arxiv_version: 2506.02249v2 · doi: 10.48550/arxiv.2506.02249 · pith_short_12: YKAUXO3HTVWU · pith_short_16: YKAUXO3HTVWUC3EO · pith_short_8: YKAUXO3H

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/YKAUXO3HTVWUC3EO25I4EVFZ4P \
  | 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: c2814bbb679d6d416c8ed751c254b9e3e793697242da35ce08b319928beb17bc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4df950c534839c9544ebcb1147d468f7a8b18d3f480ccc91ac3d743665c06175",
    "cross_cats_sorted": [
      "physics.data-an"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.ao-ph",
    "submitted_at": "2025-06-02T20:51:32Z",
    "title_canon_sha256": "45ce62519588ab05903b9406662d4deeb668c01b1828bcac57e76455079707b2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2506.02249",
    "kind": "arxiv",
    "version": 2
  }
}