Pith Number

pith:GMUH4RLB

pith:2026:GMUH4RLBPSXPHV6US3MYIVN2DE

not attested not anchored not stored refs pending

SpecFANN: Spectral Fitting via Artificial Neural Networks I. A deep learning based fastwind emulator and fitting suite

A. de Vicente, A. Escorza, A. J. Kalita, B. Ludwig, C. Hawcroft, D. M. Bowman, G. Holgado, H. Sana, J. Bodensteiner, J. I. Villase\~nor, J. M\"uller-Horn, J. Puls, J. Vrancken, K. Deshmukh, M. Abdul-Masih, S. Simon-Diaz, T. Lechien

arxiv:2607.17348 v1 · 2026-07-19 · astro-ph.SR · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GMUH4RLBPSXPHV6US3MYIVN2DE}

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	2026-07-21T01:21:29.014130Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

33287e45617caef3d7d496d98455ba19191dd96cc8be4753fa5acfe352fb2cab

Aliases

arxiv: 2607.17348 · arxiv_version: 2607.17348v1 · doi: 10.48550/arxiv.2607.17348 · pith_short_12: GMUH4RLBPSXP · pith_short_16: GMUH4RLBPSXPHV6U · pith_short_8: GMUH4RLB

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/GMUH4RLBPSXPHV6US3MYIVN2DE \
  | 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: 33287e45617caef3d7d496d98455ba19191dd96cc8be4753fa5acfe352fb2cab

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f8475fabdc59d2816a91727ead87da9c95c727bfd6e346787e40ad07a94cb415",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2026-07-19T17:17:50Z",
    "title_canon_sha256": "6a6ff13cd68917bd5b476b2323800983d4a3332a012e95fe3715ce8d88bee8ea"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.17348",
    "kind": "arxiv",
    "version": 1
  }
}