Pith Number

pith:CCQ2RO5M

pith:2018:CCQ2RO5MBTHI7H32IUGLIKEYEC

not attested not anchored not stored refs pending

The Radial Velocity Variability of the K-giant Gamma Draconis: Stellar Variability Masquerading as a Planet

A.P. Hatzes, B.-C. Lee, D. Mkrtichian, I. Han, K.-M. Kim, M. Doellinger, M. Endl, M. Hartmann, M. Karjalainen, P.J. MacQueen, S. Dreizler, W.D. Cochran

arxiv:1801.05239 v1 · 2018-01-16 · 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{CCQ2RO5MBTHI7H32IUGLIKEYEC}

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	2026-05-18T00:22:23.152761Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

10a1a8bbac0cce8f9f7a450cb42898208393670de40c0679c028f2223174f1db

Aliases

arxiv: 1801.05239 · arxiv_version: 1801.05239v1 · doi: 10.48550/arxiv.1801.05239 · pith_short_12: CCQ2RO5MBTHI · pith_short_16: CCQ2RO5MBTHI7H32 · pith_short_8: CCQ2RO5M

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/CCQ2RO5MBTHI7H32IUGLIKEYEC \
  | 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: 10a1a8bbac0cce8f9f7a450cb42898208393670de40c0679c028f2223174f1db

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3a4f29d6b7462b7792769fb0dde2705fd950f8bf77de5d8ce94f88b1dbe7ddd6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-01-16T13:12:24Z",
    "title_canon_sha256": "f9442777e62a17dfae68a26dddfb8022374c2c853ca7034cf40a8fab0c604b90"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.05239",
    "kind": "arxiv",
    "version": 1
  }
}