Pith Number

pith:K5JLO6TH

pith:2015:K5JLO6THWWQFCRTSQHC5LYZQKW

not attested not anchored not stored refs pending

Compact stellar systems in the polar ring galaxies NGC 4650A and NGC 3808B: Clues to polar disk formation

Iskren Y. Georgiev, Magda Arnaboldi, Paul Goudfrooij, Thomas H. Puzia, Yasna Ordenes-Brice\~no

arxiv:1511.05166 v1 · 2015-11-16 · 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{K5JLO6THWWQFCRTSQHC5LYZQKW}

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	2026-05-18T01:22:33.126687Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5752b77a67b5a051467281c5d5e33055a491d95358b562f9c593f264954cce75

Aliases

arxiv: 1511.05166 · arxiv_version: 1511.05166v1 · doi: 10.48550/arxiv.1511.05166 · pith_short_12: K5JLO6THWWQF · pith_short_16: K5JLO6THWWQFCRTS · pith_short_8: K5JLO6TH

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/K5JLO6THWWQFCRTSQHC5LYZQKW \
  | 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: 5752b77a67b5a051467281c5d5e33055a491d95358b562f9c593f264954cce75

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bf631fbae25b1e55b37d07442b27e72eceed5dd9a27b0021c5b4e5c466bd4d13",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-11-16T21:01:17Z",
    "title_canon_sha256": "9250ebfff42cb706faa061cc4d388a9f2ca2613102da0bd519d13847e30727b6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.05166",
    "kind": "arxiv",
    "version": 1
  }
}