Pith Number

pith:NPEBVL4S

pith:2019:NPEBVL4SDQ3ML2LS6ESUPGMUJL

not attested not anchored not stored refs pending

Stellar atmospheric parameters for 754 spectra from the X-shooter Spectral Library

Alejandro Vazdekis, Anais Gonneau, Anke Arentsen, Ariane Lan\c{c}on, Jes\'us Falc\'on Barroso, Mariya Lyubenova, Patricia S\'anchez Bl\'azquez, Philippe Prugniel, Reynier Peletier, Scott Trager, Yan-Ping Chen

arxiv:1907.06391 v1 · 2019-07-15 · astro-ph.SR · astro-ph.GA

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

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	2026-05-17T23:39:53.243718Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6bc81aaf921c36c5e972f1254799944ae804bab87690fdbfceea1ba4abc6cde6

Aliases

arxiv: 1907.06391 · arxiv_version: 1907.06391v1 · doi: 10.48550/arxiv.1907.06391 · pith_short_12: NPEBVL4SDQ3M · pith_short_16: NPEBVL4SDQ3ML2LS · pith_short_8: NPEBVL4S

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/NPEBVL4SDQ3ML2LS6ESUPGMUJL \
  | 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: 6bc81aaf921c36c5e972f1254799944ae804bab87690fdbfceea1ba4abc6cde6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3b829909ba343090e2406343a27e2e98a87de92d372180061a87c41266e0828c",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2019-07-15T09:39:31Z",
    "title_canon_sha256": "daca25ef2cadd966dd5e8df06ad96d3a1539f2f63dd23ae1cb322c80844fc020"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.06391",
    "kind": "arxiv",
    "version": 1
  }
}