Pith Number

pith:BXRSYGDQ

pith:2018:BXRSYGDQVQ4JKNEZA65VACF7Y7

not attested not anchored not stored refs pending

HD 63021: An Ae Star with X-ray Flux

David G. Whelan, James Daglen, Jon Labadie-Bartz, Ken Hudson, S. Drew Chojnowski

arxiv:1805.05963 v1 · 2018-05-15 · 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{BXRSYGDQVQ4JKNEZA65VACF7Y7}

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	2026-05-18T00:15:49.266653Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0de32c1870ac3895349907bb5008bfc7c91dbbfad972c12d97e1cdf6127e21ce

Aliases

arxiv: 1805.05963 · arxiv_version: 1805.05963v1 · doi: 10.48550/arxiv.1805.05963 · pith_short_12: BXRSYGDQVQ4J · pith_short_16: BXRSYGDQVQ4JKNEZ · pith_short_8: BXRSYGDQ

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/BXRSYGDQVQ4JKNEZA65VACF7Y7 \
  | 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: 0de32c1870ac3895349907bb5008bfc7c91dbbfad972c12d97e1cdf6127e21ce

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "083a7bd8a08c57a1cea8b90ff4f8a7f134d4827f4af0646db7c66c2096d8f0ee",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-05-15T18:00:10Z",
    "title_canon_sha256": "10c88969afa59c6595edba934b42df2912a3ebe4a405bfacb50e93eaa4903109"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.05963",
    "kind": "arxiv",
    "version": 1
  }
}