Pith Number

pith:OKHABAUQ

pith:2013:OKHABAUQDMMQ5N7SU3ERZL7WXS

not attested not anchored not stored refs pending

The eccentric massive binary V380 Cyg: revised orbital elements and interpretation of the intrinsic variability of the primary component

A. Tkachenko, C. Aerts, E. Moravveji, J. Debosscher, J. Southworth, K. Clemer, K. Pavlovski, P. Degroote, P. I. Papics, V. Kolbas, V. Tsymbal

arxiv:1312.3601 v1 · 2013-12-12 · 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{OKHABAUQDMMQ5N7SU3ERZL7WXS}

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	2026-05-18T01:45:51.062537Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

728e0082901b190eb7f2a6c91caff6bc84dd1f8b908f24bbbc46fa638d6d9f5e

Aliases

arxiv: 1312.3601 · arxiv_version: 1312.3601v1 · doi: 10.48550/arxiv.1312.3601 · pith_short_12: OKHABAUQDMMQ · pith_short_16: OKHABAUQDMMQ5N7S · pith_short_8: OKHABAUQ

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/OKHABAUQDMMQ5N7SU3ERZL7WXS \
  | 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: 728e0082901b190eb7f2a6c91caff6bc84dd1f8b908f24bbbc46fa638d6d9f5e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5520950f9e87f70f6d9b9a55eb3f192012fd92870e45fdfa2413d135edbb5709",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-12-12T19:44:36Z",
    "title_canon_sha256": "d9cb2cf8d33732f174cc2aa918b424ed491badba30ed8a9ef23c91d9449b3fe0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.3601",
    "kind": "arxiv",
    "version": 1
  }
}