Pith Number

pith:M3QQE2BD

pith:2018:M3QQE2BD4N253FQ3HBXZHPHKOL

not attested not anchored not stored refs pending

Search for exoplanets around northern circumpolar stars III. long-period radial velocity variations in hd 18438 and hd 158996

Byeong-Cheol Lee, Gwang-Hui Jeong, Inwoo Han, Myeong-Gu Park, Tae-Yang Bang

arxiv:1803.07213 v1 · 2018-03-20 · astro-ph.EP

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{M3QQE2BD4N253FQ3HBXZHPHKOL}

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	2026-05-18T00:20:01.364526Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

66e1026823e375dd961b386f93bcea72cc3592b4916a650f7bcc3248f015f235

Aliases

arxiv: 1803.07213 · arxiv_version: 1803.07213v1 · doi: 10.48550/arxiv.1803.07213 · pith_short_12: M3QQE2BD4N25 · pith_short_16: M3QQE2BD4N253FQ3 · pith_short_8: M3QQE2BD

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/M3QQE2BD4N253FQ3HBXZHPHKOL \
  | 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: 66e1026823e375dd961b386f93bcea72cc3592b4916a650f7bcc3248f015f235

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ef543d30b8ec4bd08e539a49d3662ebe8e867dc1ac34d8dc5046e73d8fc5055c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2018-03-20T01:53:25Z",
    "title_canon_sha256": "465f11c0ca2875b7cb030e77d41bfc0bda660e1157fd570cf72258f9aeb6c0c1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.07213",
    "kind": "arxiv",
    "version": 1
  }
}