Pith Number

pith:LDMY322H

pith:2021:LDMY322HX7X4DXTODM5S25RMV5

not attested not anchored not stored refs pending

SUPPNet: Neural network for stellar spectrum normalisation

Ewa Niemczura, Jakub Lemiesz, Natalia Posi{\l}ek, Pawe{\l} R\'o\.za\'nski, Tomasz R\'o\.za\'nski

arxiv:2111.15052 v1 · 2021-11-30 · astro-ph.IM · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LDMY322HX7X4DXTODM5S25RMV5}

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	2026-07-05T04:09:41.334892Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

58d98deb47bfefc1de6e1b3b2d762caf6d6856bb1c260d196f6eb1871a5ea240

Aliases

arxiv: 2111.15052 · arxiv_version: 2111.15052v1 · doi: 10.48550/arxiv.2111.15052 · pith_short_12: LDMY322HX7X4 · pith_short_16: LDMY322HX7X4DXTO · pith_short_8: LDMY322H

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/LDMY322HX7X4DXTODM5S25RMV5 \
  | 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: 58d98deb47bfefc1de6e1b3b2d762caf6d6856bb1c260d196f6eb1871a5ea240

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d1490d57e5cf38805c262072e38e08c3a6495e2505b0b51b3be925bc5b873aaf",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2021-11-30T01:19:09Z",
    "title_canon_sha256": "fd8ba547d4d461d383444f5d586e735bb81a88b11257f9a5cac00c9f2e3162ba"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2111.15052",
    "kind": "arxiv",
    "version": 1
  }
}