Pith Number

pith:4D7SFRS6

pith:2015:4D7SFRS63IZYQMRA46XGVGOVER

not attested not anchored not stored refs pending

DB white dwarfs in the Sloan Digital Sky Survey Data Release 10 and 12

Detlev Koester, S.O. Kepler

arxiv:1509.08244 v1 · 2015-09-28 · 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{4D7SFRS63IZYQMRA46XGVGOVER}

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	2026-05-18T01:27:56.952309Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e0ff22c65eda33883220e7ae6a99d5244e4db92726c7bc41efdb168a8cf67588

Aliases

arxiv: 1509.08244 · arxiv_version: 1509.08244v1 · doi: 10.48550/arxiv.1509.08244 · pith_short_12: 4D7SFRS63IZY · pith_short_16: 4D7SFRS63IZYQMRA · pith_short_8: 4D7SFRS6

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/4D7SFRS63IZYQMRA46XGVGOVER \
  | 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: e0ff22c65eda33883220e7ae6a99d5244e4db92726c7bc41efdb168a8cf67588

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "da6c195400c59ba362c1a97242bbf9895f5bddb986b0aedf793fa892bdc2ab27",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2015-09-28T09:18:53Z",
    "title_canon_sha256": "54194f309cd10408d531ced0fc3f4421df8f5e57315b9b153f49c4a0d8c72bc5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.08244",
    "kind": "arxiv",
    "version": 1
  }
}