Pith Number

pith:6H2LKPE5

pith:2011:6H2LKPE54DZCDUXX7MBVWBQPUO

not attested not anchored not stored refs pending

The unusually large population of Blazhko variables in the globular cluster NGC 5024 (M53)

A. Arellano Ferro, D.M. Bramich, K. Kuppuswamy, R. Figuera Jaimes, Sunetra Giridhar

arxiv:1111.0216 v1 · 2011-11-01 · 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{6H2LKPE54DZCDUXX7MBVWBQPUO}

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	2026-05-18T01:59:48.885498Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f1f4b53c9de0f221d2f7fb035b060fa39daf03558abac3db2cbc98fbf0dd9f23

Aliases

arxiv: 1111.0216 · arxiv_version: 1111.0216v1 · doi: 10.48550/arxiv.1111.0216 · pith_short_12: 6H2LKPE54DZC · pith_short_16: 6H2LKPE54DZCDUXX · pith_short_8: 6H2LKPE5

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/6H2LKPE54DZCDUXX7MBVWBQPUO \
  | 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: f1f4b53c9de0f221d2f7fb035b060fa39daf03558abac3db2cbc98fbf0dd9f23

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6102fc4b5f570516360a098f941f96ae6afc401613c8dd6630451d63ccd4bd24",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-11-01T15:13:26Z",
    "title_canon_sha256": "81b2924acbb76e5a785428fa5ec44ea47029a50d4911c008396efc2ffd79cfb9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.0216",
    "kind": "arxiv",
    "version": 1
  }
}