Pith Number

pith:VHWL5OW6

pith:2026:VHWL5OW6QOHAQ2ZWAQQ3ZWNIBC

not attested not anchored not stored refs pending

21cmEMUv3: a hybrid diffusion-LSTM emulator of 21cmFAST summary observables

Andrei Mesinger, Daniela Breitman, Ivan Nikolic, Roberto Trotta, Steven G. Murray

arxiv:2606.00219 v1 · 2026-05-29 · astro-ph.CO · astro-ph.GA · 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{VHWL5OW6QOHAQ2ZWAQQ3ZWNIBC}

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	2026-06-02T01:03:22.015887Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a9ecbebade838e086b360421bcd9a808912aaa32daccc6efc2e0d6bd5173a3c1

Aliases

arxiv: 2606.00219 · arxiv_version: 2606.00219v1 · doi: 10.48550/arxiv.2606.00219 · pith_short_12: VHWL5OW6QOHA · pith_short_16: VHWL5OW6QOHAQ2ZW · pith_short_8: VHWL5OW6

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/VHWL5OW6QOHAQ2ZWAQQ3ZWNIBC \
  | 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: a9ecbebade838e086b360421bcd9a808912aaa32daccc6efc2e0d6bd5173a3c1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b4356b5be3c70a227bae23066b970abf6541799f33f23fd46c0b2870b0ec5177",
    "cross_cats_sorted": [
      "astro-ph.GA",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2026-05-29T18:00:05Z",
    "title_canon_sha256": "0778a67c45b23fff6f8286193a5fa75430d1bee1ae6a8820f3586c6b5746f81c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.00219",
    "kind": "arxiv",
    "version": 1
  }
}