Pith Number

pith:64G5UBWN

pith:2011:64G5UBWNVW2NUWUWOKUHH2N5QD

not attested not anchored not stored refs pending

WZ Cygni: a Marginal Contact Binary in a Triple System?

Chung-Uk Lee, Ho-Il Kim, Jae Woo Lee, Jang-Ho Park, Seung-Lee Kim, Tobias Cornelius Hinse

arxiv:1104.3603 v1 · 2011-04-18 · 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{64G5UBWNVW2NUWUWOKUHH2N5QD}

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	2026-05-18T02:02:23.183618Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f70dda06cdadb4da5a9672a873e9bd80d332886b86acaf4386172e7cd27a9195

Aliases

arxiv: 1104.3603 · arxiv_version: 1104.3603v1 · doi: 10.48550/arxiv.1104.3603 · pith_short_12: 64G5UBWNVW2N · pith_short_16: 64G5UBWNVW2NUWUW · pith_short_8: 64G5UBWN

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/64G5UBWNVW2NUWUWOKUHH2N5QD \
  | 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: f70dda06cdadb4da5a9672a873e9bd80d332886b86acaf4386172e7cd27a9195

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c743e6261f7558112e8b2925f3a4df4b3b8f919c3951a59a66ff6f14c9dbdbef",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-04-18T23:25:07Z",
    "title_canon_sha256": "963a5139e2b8691e77356f5e5f5db256e942a25b2bdee30784e42c3cde2c5652"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1104.3603",
    "kind": "arxiv",
    "version": 1
  }
}