Pith Number

pith:63I4BQEC

pith:2020:63I4BQECKB4ILJQXWGCR7HHZR2

not attested not anchored not stored refs pending

A quantitative in-depth analysis of the prototype sdB+BD system SDSS J08205+0008 revisited in the Gaia era

A. Irrgang, D. Kilkenny, D. Schneider, N. Przybilla, S. Geier, S. L. Casewell, S. P. Littlefair, T. R. Marsh, U. Heber, V. Schaffenroth, V. S. Dhillon

arxiv:2011.10013 v1 · 2020-11-19 · 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{63I4BQECKB4ILJQXWGCR7HHZR2}

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	2026-07-05T01:56:15.916020Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f6d1c0c082507885a617b1851f9cf98ebc5506c0423b3ab48ca5cb5c3d62e8d7

Aliases

arxiv: 2011.10013 · arxiv_version: 2011.10013v1 · doi: 10.48550/arxiv.2011.10013 · pith_short_12: 63I4BQECKB4I · pith_short_16: 63I4BQECKB4ILJQX · pith_short_8: 63I4BQEC

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/63I4BQECKB4ILJQXWGCR7HHZR2 \
  | 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: f6d1c0c082507885a617b1851f9cf98ebc5506c0423b3ab48ca5cb5c3d62e8d7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bed4b5365f143e31a0c678d2ea5dec5eb60e7178d37544273da7c20395428a9d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2020-11-19T18:22:15Z",
    "title_canon_sha256": "0c0843b17bf91d8a922ea47f71a428d279daf9fec27a2f6fd967198fe422cc02"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2011.10013",
    "kind": "arxiv",
    "version": 1
  }
}