Pith Number

pith:T4AWGGNL

pith:2014:T4AWGGNLMXGCUDSK2KNDBVDSL5

not attested not anchored not stored refs pending

Revised physical elements of the astrophysically important O9.5+O9.5V eclipsing binary system Y Cyg

D. E. Holmgren, D. Ru\v{z}djak, D. Sudar, E.F. Guinan, G.P. McCook, H. Bo\v{z}i\'c, J.Nemravov\'a, M. \v{S}lechta, M. Wolf, P. Harmanec, P. Mayer, P. Svoboda, S. Yang, Y.W. Kang

arxiv:1403.0721 v1 · 2014-03-04 · 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{T4AWGGNLMXGCUDSK2KNDBVDSL5}

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	2026-05-18T01:44:20.408376Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9f016319ab65cc2a0e4ad29a30d4725f533aa2263193ad2f775aaf936cfe121c

Aliases

arxiv: 1403.0721 · arxiv_version: 1403.0721v1 · doi: 10.48550/arxiv.1403.0721 · pith_short_12: T4AWGGNLMXGC · pith_short_16: T4AWGGNLMXGCUDSK · pith_short_8: T4AWGGNL

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/T4AWGGNLMXGCUDSK2KNDBVDSL5 \
  | 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: 9f016319ab65cc2a0e4ad29a30d4725f533aa2263193ad2f775aaf936cfe121c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2797ed63471b6749225c86e33514ae85576afc8180f62edf6e9af2dcfc23b999",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2014-03-04T09:09:48Z",
    "title_canon_sha256": "59dd05ae957f36758f3dcfefcf0f949dd272f78494eb416dc1b27a930b9b3c58"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1403.0721",
    "kind": "arxiv",
    "version": 1
  }
}