Pith Number

pith:X4FEERLT

pith:2018:X4FEERLT4ADERRK4IALOPOOCSR

not attested not anchored not stored refs pending

OGLE Collection of Star Clusters. New Objects in the Magellanic Bridge and the Outskirts of the Small Magellanic Cloud

3), 4), 5), 6) ((1) Warsaw University Observatory (2) SRON Netherlands Institute for Space Research (3) Department of Astrophysics/IMAPP, A. Udalski (1), Charles University in Prague (5) Department of Astronomy, D. M. Skowron (1), Faculty of Mathematics, I. Soszy\'nski (1), J. Skowron (1), K. Ulaczyk (1, {\L}. Wyrzykowski (1), M. Cie\'slar (1), M. K. Szyma\'nski (1), M. Pawlak (1, M. Sitek (1), Ohio State University (6) Department of Physics, Physics, P. Karczmarek (1), P. Mr\'oz (1), P. Pietrukowicz (1), Radboud University Nijmegen (4) Institute of Theoretical Physics, R. Poleski (1, S. Koz{\l}owski (1), University of Warwick), Z. Kostrzewa-Rutkowska (2

arxiv:1801.05867 v1 · 2018-01-17 · 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{X4FEERLT4ADERRK4IALOPOOCSR}

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	2026-05-18T00:02:35.802194Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bf0a424573e00648c55c4016e7b9c2947679803029cfdeb14d9e4e0d8717d365

Aliases

arxiv: 1801.05867 · arxiv_version: 1801.05867v1 · doi: 10.48550/arxiv.1801.05867 · pith_short_12: X4FEERLT4ADE · pith_short_16: X4FEERLT4ADERRK4 · pith_short_8: X4FEERLT

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/X4FEERLT4ADERRK4IALOPOOCSR \
  | 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: bf0a424573e00648c55c4016e7b9c2947679803029cfdeb14d9e4e0d8717d365

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ee969ea9f7a88c95a55c9f0e7b6e3cdeef46063ccef114492e9e0b4d98781382",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-01-17T21:19:47Z",
    "title_canon_sha256": "593dbb647b507647f20cba5aa234ea72365bb3a4de5fb4caafda08de70decdd8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.05867",
    "kind": "arxiv",
    "version": 1
  }
}