Pith Number

pith:HCW2ONTV

pith:2015:HCW2ONTVDBNC4Y2DGIHNAGBM33

not attested not anchored not stored refs pending

Companions around the nearest luminous galaxies: segregation and selection effects

I.D. Karachentsev, Y.N. Kudrya

arxiv:1504.06048 v1 · 2015-04-23 · 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{HCW2ONTVDBNC4Y2DGIHNAGBM33}

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	2026-05-18T02:18:02.765283Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

38ada73675185a2e6343320ed0182cdec9a7c2448f82d0ee9f9d8d261de64e6c

Aliases

arxiv: 1504.06048 · arxiv_version: 1504.06048v1 · doi: 10.48550/arxiv.1504.06048 · pith_short_12: HCW2ONTVDBNC · pith_short_16: HCW2ONTVDBNC4Y2D · pith_short_8: HCW2ONTV

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/HCW2ONTVDBNC4Y2DGIHNAGBM33 \
  | 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: 38ada73675185a2e6343320ed0182cdec9a7c2448f82d0ee9f9d8d261de64e6c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b7cac3237cf8768cbc7fc2d2448e0cef61264780febdb6183dd3dc38b40c1a6a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-04-23T05:58:18Z",
    "title_canon_sha256": "81d6d2dd1425a955d7c2101bf0c4a27f3fa3967ce5fd5fdd1bb30f8de614498b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.06048",
    "kind": "arxiv",
    "version": 1
  }
}