Pith Number

pith:L2U26N27

pith:2026:L2U26N27P2U2KHL5HKOF5B4E4C

not attested not anchored not stored refs pending

White Dwarf Classification of DESI DR1 Spectra1

Alejandra D. Romero, Detlev Koester, Joao Gabriel Leite Medeiros, Larissa L. Amorim, S. O. Kepler, Weligton.N. Costa Junior

arxiv:2607.00430 v1 · 2026-07-01 · 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{L2U26N27P2U2KHL5HKOF5B4E4C}

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	2026-07-02T01:17:43.152436Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5ea9af375f7ea9a51d7d3a9c5e8784e0aedabd4438a00ca386f6b58024f671ca

Aliases

arxiv: 2607.00430 · arxiv_version: 2607.00430v1 · doi: 10.48550/arxiv.2607.00430 · pith_short_12: L2U26N27P2U2 · pith_short_16: L2U26N27P2U2KHL5 · pith_short_8: L2U26N27

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/L2U26N27P2U2KHL5HKOF5B4E4C \
  | 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: 5ea9af375f7ea9a51d7d3a9c5e8784e0aedabd4438a00ca386f6b58024f671ca

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "be6d56a2eec41a52dfce9d469ca0478273c9ec31624ccdd83ac3a902c7ba648f",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2026-07-01T04:41:43Z",
    "title_canon_sha256": "e985d920fdf640db62ae49af4405e887aa9986a68759910fcd5e28eaaecb9ae8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.00430",
    "kind": "arxiv",
    "version": 1
  }
}