Pith Number

pith:ZWX3RHXD

pith:2021:ZWX3RHXDYI4MYO2PFCKQB74QVH

not attested not anchored not stored refs pending

Binary fraction of O and B-type stars from LAMOST data

Chao Liu, Feng Luo, Jiao Li, Yan-Jun Guo, Yong-Heng Zhao

arxiv:2108.11120 v1 · 2021-08-25 · 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{ZWX3RHXDYI4MYO2PFCKQB74QVH}

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	2026-07-05T03:45:41.122056Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cdafb89ee3c238cc3b4f289500ff90a9c4468145bc89112dec9bf86b98076054

Aliases

arxiv: 2108.11120 · arxiv_version: 2108.11120v1 · doi: 10.48550/arxiv.2108.11120 · pith_short_12: ZWX3RHXDYI4M · pith_short_16: ZWX3RHXDYI4MYO2P · pith_short_8: ZWX3RHXD

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/ZWX3RHXDYI4MYO2PFCKQB74QVH \
  | 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: cdafb89ee3c238cc3b4f289500ff90a9c4468145bc89112dec9bf86b98076054

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "74c51f44be8913e2d5576c2c1c0820108294f1d1f3bea15250b5cfc08b92e4e0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2021-08-25T08:38:21Z",
    "title_canon_sha256": "dfdecccc72c870b3ef2db4eed21de173639cd0a4666a04908dc699a5efc34871"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2108.11120",
    "kind": "arxiv",
    "version": 1
  }
}