Pith Number

pith:YKHDZ6Z2

pith:2015:YKHDZ6Z2M4Z5LNZOSIFD4BFCBL

not attested not anchored not stored refs pending

Nuclear Star Clusters and Bulges

David R. Cole, Victor P. Debattista

arxiv:1504.05879 v1 · 2015-04-22 · 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{YKHDZ6Z2M4Z5LNZOSIFD4BFCBL}

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	2026-05-18T01:25:00.873278Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c28e3cfb3a6733d5b72e920a3e04a20ad28e5d0aac8d3ba2e595b57432cd3d0f

Aliases

arxiv: 1504.05879 · arxiv_version: 1504.05879v1 · doi: 10.48550/arxiv.1504.05879 · pith_short_12: YKHDZ6Z2M4Z5 · pith_short_16: YKHDZ6Z2M4Z5LNZO · pith_short_8: YKHDZ6Z2

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/YKHDZ6Z2M4Z5LNZOSIFD4BFCBL \
  | 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: c28e3cfb3a6733d5b72e920a3e04a20ad28e5d0aac8d3ba2e595b57432cd3d0f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d7296e12b4d2ea0922065cd018fa66da800b7df6fb8dc01907a5bcf82aea72a5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-04-22T16:52:51Z",
    "title_canon_sha256": "c579a83000ec1c29788dff2f5f0564b064b65736871117a25f50f3e1714c4001"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.05879",
    "kind": "arxiv",
    "version": 1
  }
}