Pith Number

pith:VK4MQ3FQ

pith:2013:VK4MQ3FQOZOJX7AMXG726IEJYP

not attested not anchored not stored refs pending

Variability of Massive Stars with Known Spectral Types in the Small Magellanic Cloud Using 8 Years of OGLE-III Data

A. Udalski, A.Z. Bonanos, G. Krikelis, G. Pietrzynski, I. Soszynski, K. Ulaczyk, L. Wyrzykowski, M. Kourniotis, M.K. Szymanski, M. Kubiak, P. Pietrukowicz, R. Poleski, S. Kozlowski

arxiv:1310.5701 v2 · 2013-10-21 · 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{VK4MQ3FQOZOJX7AMXG726IEJYP}

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	2026-05-18T03:01:35.298060Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

aab8c86cb0765c9bfc0cb9bfaf2089c3f994499e558eb8a2e8a8ccc4db973df5

Aliases

arxiv: 1310.5701 · arxiv_version: 1310.5701v2 · doi: 10.48550/arxiv.1310.5701 · pith_short_12: VK4MQ3FQOZOJ · pith_short_16: VK4MQ3FQOZOJX7AM · pith_short_8: VK4MQ3FQ

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/VK4MQ3FQOZOJX7AMXG726IEJYP \
  | 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: aab8c86cb0765c9bfc0cb9bfaf2089c3f994499e558eb8a2e8a8ccc4db973df5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2db82ace5bab3558d5df888f3a2ca3e85fee1f4cef37bd6294de29537450a17a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-10-21T20:00:00Z",
    "title_canon_sha256": "acc43a5cc4b445cae4b08c2492c02aa16f1cfbdc452cc883444068bd5b0f12f4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.5701",
    "kind": "arxiv",
    "version": 2
  }
}