Pith Number

pith:3ROJYW3N

pith:2025:3ROJYW3N3TKH5PRV6IUTXE3LBI

not attested not anchored not stored refs pending

Multi-fidelity emulator for large-scale 21 cm lightcone images: a few-shot transfer learning approach with generative adversarial network

Kangning Diao, Yi Mao

arxiv:2502.04246 v2 · 2025-02-06 · astro-ph.IM · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3ROJYW3N3TKH5PRV6IUTXE3LBI}

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	2026-07-05T12:03:45.400601Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dc5c9c5b6ddcd47ebe35f2293b936b0a2611099458d4219fd4a39bb3d80f2827

Aliases

arxiv: 2502.04246 · arxiv_version: 2502.04246v2 · doi: 10.48550/arxiv.2502.04246 · pith_short_12: 3ROJYW3N3TKH · pith_short_16: 3ROJYW3N3TKH5PRV · pith_short_8: 3ROJYW3N

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/3ROJYW3N3TKH5PRV6IUTXE3LBI \
  | 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: dc5c9c5b6ddcd47ebe35f2293b936b0a2611099458d4219fd4a39bb3d80f2827

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3000cf9a0bf2a651de220a8f276508af3a0e8d19055d900fbf293086ac83cdbf",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2025-02-06T17:37:52Z",
    "title_canon_sha256": "fb348a4cd1adac3afed281a83552b66b30d39820d2721e4dc417c215370f217f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.04246",
    "kind": "arxiv",
    "version": 2
  }
}