Pith Number

pith:HVFVGPYT

pith:2015:HVFVGPYTMOKTOIYZOJQBO7TTDB

not attested not anchored not stored refs pending

The OGLE Collection of Variable Stars. Anomalous Cepheids in the Magellanic Clouds

A. Udalski, D. Skowron, G. Pietrzynski, I. Soszynski, J. Skowron, K. Ulaczyk, L. Wyrzykowski, M. K. Szymanski, M. Pawlak, P. Mroz, P. Pietrukowicz, R. Poleski, S. Kozlowski

arxiv:1508.00907 v1 · 2015-08-04 · 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{HVFVGPYTMOKTOIYZOJQBO7TTDB}

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	2026-05-18T01:35:52.750815Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3d4b533f1363953723197260177e73184cf9b1ba896d9ab1a10dc1d60606f64e

Aliases

arxiv: 1508.00907 · arxiv_version: 1508.00907v1 · doi: 10.48550/arxiv.1508.00907 · pith_short_12: HVFVGPYTMOKT · pith_short_16: HVFVGPYTMOKTOIYZ · pith_short_8: HVFVGPYT

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/HVFVGPYTMOKTOIYZOJQBO7TTDB \
  | 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: 3d4b533f1363953723197260177e73184cf9b1ba896d9ab1a10dc1d60606f64e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "55f101e8cf524f300cbb918dd29ccd5a6479a5879a2de4de89ffa7737a3e0be7",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2015-08-04T20:14:01Z",
    "title_canon_sha256": "520302a72c5b4800c112e778add2cd7b382af87c38a701add1fd36786659280a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.00907",
    "kind": "arxiv",
    "version": 1
  }
}