Pith Number

pith:3OQGJQEH

pith:2019:3OQGJQEHHAXBHL6RFNIW5F2HT5

not attested not anchored not stored refs pending

White dwarf and subdwarf stars in the Sloan Digital Sky Survey Data Release 14

Alejandra D. Romero, Cristiane de Paula Oliveira, Detlev Koester, Gustavo Ourique, Ingrid Pelisoli, Larissa A. Amaral, Nicole Reindl, S. O. Kepler, Stephan Geier

arxiv:1904.01626 v2 · 2019-04-02 · 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{3OQGJQEHHAXBHL6RFNIW5F2HT5}

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	2026-05-17T23:48:29.616240Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dba064c087382e13afd12b516e97479f594cddd3f3bfac7d3e165cc4d56c9375

Aliases

arxiv: 1904.01626 · arxiv_version: 1904.01626v2 · doi: 10.48550/arxiv.1904.01626 · pith_short_12: 3OQGJQEHHAXB · pith_short_16: 3OQGJQEHHAXBHL6R · pith_short_8: 3OQGJQEH

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/3OQGJQEHHAXBHL6RFNIW5F2HT5 \
  | 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: dba064c087382e13afd12b516e97479f594cddd3f3bfac7d3e165cc4d56c9375

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "16eb0d057c43d2b87c8c8d6569368edda5c31104ae352b8e3e2f012347002ec2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2019-04-02T19:05:29Z",
    "title_canon_sha256": "ebcb6e9a15ed7a1ea7a196387cbb773651a46866b4dc5a9c85d9fbd6d900a86d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.01626",
    "kind": "arxiv",
    "version": 2
  }
}