Pith Number

pith:BD5L2BJN

pith:2021:BD5L2BJNSUQJHMDTDL3PUL7H2K

not attested not anchored not stored refs pending

The Binarity of Early-type Stars from LAMOST Medium-resolution Spectroscopic Survey

Chao Liu, Feng Luo, Heran Xiong, Jiangdan Li, Jianping Xiong, Jiao Li, Luqian Wang, Xuefei Chen, Yanjun Guo, Yonghui Hou, Zhanwen Han

arxiv:2109.09775 v2 · 2021-09-20 · 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{BD5L2BJNSUQJHMDTDL3PUL7H2K}

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	2026-07-05T03:57:12.219179Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

08fabd052d952093b0731af6fa2fe7d2981e2154856a8e74d562865faf95598e

Aliases

arxiv: 2109.09775 · arxiv_version: 2109.09775v2 · doi: 10.48550/arxiv.2109.09775 · pith_short_12: BD5L2BJNSUQJ · pith_short_16: BD5L2BJNSUQJHMDT · pith_short_8: BD5L2BJN

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/BD5L2BJNSUQJHMDTDL3PUL7H2K \
  | 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: 08fabd052d952093b0731af6fa2fe7d2981e2154856a8e74d562865faf95598e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "81f46eeaa772ca185e08d7471e30d23a589d5b274e32569e6d5552dfe1d0cb4d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2021-09-20T18:08:02Z",
    "title_canon_sha256": "546015cf0aeaeacf5a7d9abc1f8ad47b05f9782804cc30650fffb9384d056e3f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.09775",
    "kind": "arxiv",
    "version": 2
  }
}