Pith Number

pith:RUHBJDDM

pith:2025:RUHBJDDMISDPKLFUHC3OZFXLTM

not attested not anchored not stored refs pending

Classifying spectra of emission-line regions with neural networks -- An application to integral field spectroscopic data of M33

Alessandro Bombini, Alessandro Marconi, Anna Feltre, Bianca Moreschini, Caterina Bracci, Cosimo Marconcini, Elena Bertola, Filippo Mannucci, Francesco Belfiore, Giacomo Venturi, Giovanni Cresci, Giulia Tozzi, Lorenzo Ulivi, Martina Scialpi, Matteo Ceci, Michele Ginolfi

arxiv:2502.20448 v2 · 2025-02-27 · astro-ph.GA · 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{RUHBJDDMISDPKLFUHC3OZFXLTM}

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.

Cited by

1 paper in Pith

SDSS-V LVM: Collisionless Shocks in the Supernova Remnant RCW86

Receipt and verification

First computed	2026-07-05T11:02:18.554643Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8d0e148c6c4486f52cb438b6ec96eb9b3da4850d12bbe1eb711a7dbe603e3108

Aliases

arxiv: 2502.20448 · arxiv_version: 2502.20448v2 · doi: 10.48550/arxiv.2502.20448 · pith_short_12: RUHBJDDMISDP · pith_short_16: RUHBJDDMISDPKLFU · pith_short_8: RUHBJDDM

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/RUHBJDDMISDPKLFUHC3OZFXLTM \
  | 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: 8d0e148c6c4486f52cb438b6ec96eb9b3da4850d12bbe1eb711a7dbe603e3108

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2cbb0940aa09d69a47d1f331547040399df3604000c628c787d6a09fa0ec4755",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2025-02-27T19:00:04Z",
    "title_canon_sha256": "09580f28162d8b19831bbf58d19fa45eda3fccce48d63ad1b299eea5f59fdc03"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.20448",
    "kind": "arxiv",
    "version": 2
  }
}