Pith Number

pith:XDSS3ORK

pith:2025:XDSS3ORKVWQSALWT7KMS7DWYGU

not attested not anchored not stored refs pending

Extremely Low Mass Ratio Contact Binaries. II. The First Photometric and Spectroscopic Investigations of Six Systems with Orbital Periods Longer than 0.5 days

Cheng-Yu Wu, Fei Liu, Guo-You Sun, Jing-Yi Wang, Kai Li, Mu-Zi-Mei Li, Xiang Gao, Xing Gao, Xin Xu, Yi-Fan Wang

arxiv:2505.04029 v1 · 2025-05-07 · 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{XDSS3ORKVWQSALWT7KMS7DWYGU}

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	2026-07-05T10:59:35.344636Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b8e52dba2aada1202ed3fa992f8ed83509184eda889ac01ff90046ee19e860f9

Aliases

arxiv: 2505.04029 · arxiv_version: 2505.04029v1 · doi: 10.48550/arxiv.2505.04029 · pith_short_12: XDSS3ORKVWQS · pith_short_16: XDSS3ORKVWQSALWT · pith_short_8: XDSS3ORK

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/XDSS3ORKVWQSALWT7KMS7DWYGU \
  | 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: b8e52dba2aada1202ed3fa992f8ed83509184eda889ac01ff90046ee19e860f9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3ec72cb2665e0be7723524a906cc97e0fada0b7da5050f0a8bafe330f45db79d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2025-05-07T00:14:40Z",
    "title_canon_sha256": "dc6a1f26e3452148f68ff8f31e066b7f3df95071ad8dfce0bd6d000bfc599b43"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.04029",
    "kind": "arxiv",
    "version": 1
  }
}