Pith Number

pith:BTB27FEE

pith:2021:BTB27FEEDH73SHRBQTWZLGGR7Y

not attested not anchored not stored refs pending

LTD064402+245919: A Subgiant with a 1-3 M$_{\odot}$ Undetected Companion Identified from LAMOST-TD Data

Bo Zhang, Fan Yang, Jian-Ning Fu, Ji-Feng Liu, Ling-Lin Zheng, Richard J. Long, Su-Su Shan, Tuan Yi, Xian-Fei Zhang, Xing Wei, You-Jun Lu, Yu Bai, Ze-Ming Zhou, Zhi-Chao Zhao

arxiv:2110.07944 v3 · 2021-10-15 · 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{BTB27FEEDH73SHRBQTWZLGGR7Y}

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	2026-07-05T03:45:50.837803Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0cc3af948419ffb91e2184ed9598d1fe3fbeea438bf0a5a486cff5c6baa33da1

Aliases

arxiv: 2110.07944 · arxiv_version: 2110.07944v3 · doi: 10.48550/arxiv.2110.07944 · pith_short_12: BTB27FEEDH73 · pith_short_16: BTB27FEEDH73SHRB · pith_short_8: BTB27FEE

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/BTB27FEEDH73SHRBQTWZLGGR7Y \
  | 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: 0cc3af948419ffb91e2184ed9598d1fe3fbeea438bf0a5a486cff5c6baa33da1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5d01939d680a90eee7cad2a0ca307780694d7a42bbd3943a46dfa20213b3b2c0",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2021-10-15T08:50:07Z",
    "title_canon_sha256": "4acdaff0c47c4e4d8991f7a5e127b95211d37cd762fbfaa2693cc9f3d311430f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2110.07944",
    "kind": "arxiv",
    "version": 3
  }
}