Pith Number

pith:OBDFBHFF

pith:2016:OBDFBHFF4UXFMY3HVWQMUHN2JE

not attested not anchored not stored refs pending

The OGLE Collection of Variable Stars. Over 45 000 RR Lyrae Stars in the Magellanic System

A. Udalski, D. Skowron, I. Soszy\'nski, J. Skowron, K. Ulaczyk, {\L}. Wyrzykowski, M. K. Szyma\'nski, M. Pawlak, P. Mr\'oz, P. Pietrukowicz, R. Poleski, S. Koz{\l}owski

arxiv:1606.02727 v2 · 2016-06-08 · 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{OBDFBHFF4UXFMY3HVWQMUHN2JE}

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	2026-05-18T01:11:01.769518Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7046509ca5e52e566367ada0ca1dba490280e34549c12eda22208a07cc4f4653

Aliases

arxiv: 1606.02727 · arxiv_version: 1606.02727v2 · doi: 10.48550/arxiv.1606.02727 · pith_short_12: OBDFBHFF4UXF · pith_short_16: OBDFBHFF4UXFMY3H · pith_short_8: OBDFBHFF

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/OBDFBHFF4UXFMY3HVWQMUHN2JE \
  | 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: 7046509ca5e52e566367ada0ca1dba490280e34549c12eda22208a07cc4f4653

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "974f7efc13aa13930407660c15f5840e554f620ef7f0b97cd3f95eb570300b72",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2016-06-08T20:00:10Z",
    "title_canon_sha256": "7159d81db2a67bf8cebd77bb47c3a5f9d6b74be3b30870d0bedcba6e3beecead"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1606.02727",
    "kind": "arxiv",
    "version": 2
  }
}