Pith Number

pith:QYKJBT6D

pith:2015:QYKJBT6DH57XNCMR36HMNCLTQF

not attested not anchored not stored refs pending

Radial velocities and metallicities from infrared Ca II triplet spectroscopy of open clusters II. Berkeley 23, King 1, NGC 559, NGC 6603 and NGC 7245

2), 2) ((1) Instituto de Astrof\'isica de Canarias, (2) Departamento de Astrof\'isica, (3) Departament d'Astronomia i Meteorologia, (4) Institut de Ci\'encies de l'Espai (CSIC-IEEC), Barcelona, Bellaterra, Campus UAB, C. Jordi (3), ICC/IEEC, La Laguna, L. Balaguer-Nu\~nez (3), L. Casamiquela (3), L. Monteagudo (1, N. Ospina (4), R. Carrera (1, Spain, Spain), Tenerife, Universidad de La Laguna, Universitat de Barcelona

arxiv:1504.01240 v2 · 2015-04-06 · astro-ph.SR · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QYKJBT6DH57XNCMR36HMNCLTQF}

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	2026-05-18T02:03:33.185620Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

861490cfc33f7f768991df8ec689738144f61c046e1e38a1a5c085fe10f8ba9c

Aliases

arxiv: 1504.01240 · arxiv_version: 1504.01240v2 · doi: 10.48550/arxiv.1504.01240 · pith_short_12: QYKJBT6DH57X · pith_short_16: QYKJBT6DH57XNCMR · pith_short_8: QYKJBT6D

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/QYKJBT6DH57XNCMR36HMNCLTQF \
  | 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: 861490cfc33f7f768991df8ec689738144f61c046e1e38a1a5c085fe10f8ba9c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a0fe4b973dbe8afcee86dae875a4b2db458868560f7db17c6c974cd83bb7c5fb",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2015-04-06T09:08:39Z",
    "title_canon_sha256": "e6be44fe1ac9bc2e39fef68b8879980457800493056e737a00829dd37ccfe9db"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.01240",
    "kind": "arxiv",
    "version": 2
  }
}