Pith Number

pith:EY7ZC7B2

pith:2025:EY7ZC7B2KSUJYXYTX2ECUUZFBD

not attested not anchored not stored refs pending

A Robust Support Vector Machine Approach for Raman COVID-19 Data Classification

Andrea Spinelli, Enza Messina, Francesca Maggioni, Marco Piazza, Marzia Bedoni

arxiv:2501.17904 v1 · 2025-01-29 · q-bio.QM · 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{EY7ZC7B2KSUJYXYTX2ECUUZFBD}

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	2026-07-05T11:25:07.653455Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

263f917c3a54a89c5f13be882a532508cb6c3065ad68ffc97f728ffa568c6de1

Aliases

arxiv: 2501.17904 · arxiv_version: 2501.17904v1 · doi: 10.48550/arxiv.2501.17904 · pith_short_12: EY7ZC7B2KSUJ · pith_short_16: EY7ZC7B2KSUJYXYT · pith_short_8: EY7ZC7B2

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/EY7ZC7B2KSUJYXYTX2ECUUZFBD \
  | 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: 263f917c3a54a89c5f13be882a532508cb6c3065ad68ffc97f728ffa568c6de1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3eb8a93ea66230e97dcd4e115b912d5be8eef9e1e5ad414c85e9310dd11c7a69",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.QM",
    "submitted_at": "2025-01-29T14:02:45Z",
    "title_canon_sha256": "140c143ad686963d7a6294e3f6b0b85d31d9e96db03ea860bd46b9021994f7f3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2501.17904",
    "kind": "arxiv",
    "version": 1
  }
}