Pith Number

pith:BVBOS73S

pith:2013:BVBOS73SECDLDLC2VG5IT5SWME

not attested not anchored not stored refs pending

Enhanced Halpha activity at periastron in the young and massive spectroscopic binary HD200775

C. Farrington, D. Mourard, G.H.R.A. Lima, H. McAlister, I. Tallon-Bosc, J.B. Le Bouquin, J. Sturmann, K. Perraut, L. Sturmann, M. Benisty, M. Borges Fernandes, N. Nardetto, N. Turner, O. Chesneau, P.J Goldfinger, P. Stee, S. Ridgway, T. ten Brummelaar

arxiv:1306.0390 v1 · 2013-06-03 · astro-ph.SR · astro-ph.EP

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BVBOS73SECDLDLC2VG5IT5SWME}

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	2026-05-18T01:49:38.560220Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0d42e97f722086b1ac5aa9ba89f656612672e8d707345edf04750afda6c1a2ba

Aliases

arxiv: 1306.0390 · arxiv_version: 1306.0390v1 · doi: 10.48550/arxiv.1306.0390 · pith_short_12: BVBOS73SECDL · pith_short_16: BVBOS73SECDLDLC2 · pith_short_8: BVBOS73S

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/BVBOS73SECDLDLC2VG5IT5SWME \
  | 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: 0d42e97f722086b1ac5aa9ba89f656612672e8d707345edf04750afda6c1a2ba

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "581c176e795a00057dd018691d44b626920bc64e65097eeb7063a744787a2cc7",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-06-03T13:09:01Z",
    "title_canon_sha256": "01d669c08a22a5cbc43559af9fa301fda6a90eb75542c8d03f3bd593be265cf3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1306.0390",
    "kind": "arxiv",
    "version": 1
  }
}