Pith Number

pith:OPIHD7WO

pith:2014:OPIHD7WO4WVBYQ6P22FTQB7ZEM

not attested not anchored not stored refs pending

Orbital and physical parameters of eclipsing binaries from the ASAS catalogue - VIII. The totally-eclipsing double-giant system HD 187669

A. P. LaCluyze, B. Pilecki, D. E. Reichart, D. Graczyk, G. Pietrzy\'nski, G. Pojma\'nski, Haislip, J. B., K. G. He{\l}miniak, K. M . Ivarsen, K. Suchomska, M. Konacki, M. Ratajczak, P. Konorski, P. Sybilski, S. Villanova, W. Gieren

arxiv:1412.4834 v1 · 2014-12-15 · 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{OPIHD7WO4WVBYQ6P22FTQB7ZEM}

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	2026-05-18T01:41:18.939511Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

73d071fecee5aa1c43cfd68b3807f92339c81995de6aa68ecb2e5ec97ff480eb

Aliases

arxiv: 1412.4834 · arxiv_version: 1412.4834v1 · doi: 10.48550/arxiv.1412.4834 · pith_short_12: OPIHD7WO4WVB · pith_short_16: OPIHD7WO4WVBYQ6P · pith_short_8: OPIHD7WO

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/OPIHD7WO4WVBYQ6P22FTQB7ZEM \
  | 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: 73d071fecee5aa1c43cfd68b3807f92339c81995de6aa68ecb2e5ec97ff480eb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "30e13a57a2698dfafc440c57127a98701f7e8f3bb9c79c99b5c180f9d955b139",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2014-12-15T23:27:15Z",
    "title_canon_sha256": "0f17c4207bbe43162667f04208ba8eab0a445ee0ec47fe6a4bb1a7f2219e5eff"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1412.4834",
    "kind": "arxiv",
    "version": 1
  }
}