Pith Number

pith:YV3QSDUX

pith:2009:YV3QSDUXFCPJSGQH7BQ2DJU26O

not attested not anchored not stored refs pending

The Evolutionary State of the Massive Interacting Binary BD+36 4063

D. R. Gies, R. A. Matson, S. J. Williams, W. Huang

arxiv:0904.3733 v1 · 2009-04-23 · 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{YV3QSDUXFCPJSGQH7BQ2DJU26O}

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	2026-05-18T02:34:59.598237Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c577090e97289e991a07f861a1a69af3ab25cd1a268ff9acc4588575bf962d96

Aliases

arxiv: 0904.3733 · arxiv_version: 0904.3733v1 · doi: 10.48550/arxiv.0904.3733 · pith_short_12: YV3QSDUXFCPJ · pith_short_16: YV3QSDUXFCPJSGQH · pith_short_8: YV3QSDUX

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/YV3QSDUXFCPJSGQH7BQ2DJU26O \
  | 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: c577090e97289e991a07f861a1a69af3ab25cd1a268ff9acc4588575bf962d96

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6ef47123e18a68f540e8748e1560e6f94a3a6f2a46a7287d014a90bd55d586a4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-04-23T16:27:11Z",
    "title_canon_sha256": "9096883e7d93f45452cfa2bc9ccc88e29ca447a99350bf9d15db09b6d0743d97"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0904.3733",
    "kind": "arxiv",
    "version": 1
  }
}