Pith Number

pith:IN6QRENR

pith:2026:IN6QRENRUQ5TY3IQHQTDZNQAXD

not attested not anchored not stored refs pending

Multi-Fidelity Learning with Shallow Recurrent Decoders for Reactor Physics

Antonio Cammi, Carolina Introini, J. Nathan Kutz, Stefano Riva

arxiv:2606.05202 v1 · 2026-05-22 · physics.comp-ph · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IN6QRENRUQ5TY3IQHQTDZNQAXD}

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	2026-06-05T00:13:48.599906Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

437d0891b1a43b3c6d103c263cb600b8d5938b3c7031a52573945832cb4665cc

Aliases

arxiv: 2606.05202 · arxiv_version: 2606.05202v1 · doi: 10.48550/arxiv.2606.05202 · pith_short_12: IN6QRENRUQ5T · pith_short_16: IN6QRENRUQ5TY3IQ · pith_short_8: IN6QRENR

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/IN6QRENRUQ5TY3IQHQTDZNQAXD \
  | 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: 437d0891b1a43b3c6d103c263cb600b8d5938b3c7031a52573945832cb4665cc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6b634a8844ae7198855faf9fc48e7d7a17a735aedf31de47db73a4102f14a875",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "physics.comp-ph",
    "submitted_at": "2026-05-22T17:14:48Z",
    "title_canon_sha256": "b965ce97764f82ca69fc25d285b2c0e344b41a5378847293629b1392a0a5e91a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.05202",
    "kind": "arxiv",
    "version": 1
  }
}