Pith Number

pith:IBQLTTT2

pith:2015:IBQLTTT25XI2E3UOYQ5TH3LKD7

not attested not anchored not stored refs pending

A Comprehensive HST BVI Catalogue Of Star Clusters In Five Hickson Compact Groups Of Galaxies

I. S. Konstantopoulos, J. Charlton, K. E. Johnson, K. Fedotov, N. Bastian, P. R. Durrell, R. Chandar, S. C. Gallagher

arxiv:1503.05278 v1 · 2015-03-18 · 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{IBQLTTT25XI2E3UOYQ5TH3LKD7}

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	2026-05-18T01:40:50.374011Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4060b9ce7aedd1a26e8ec43b33ed6a1fe8af307b3a4abb12851761e3167f13e2

Aliases

arxiv: 1503.05278 · arxiv_version: 1503.05278v1 · doi: 10.48550/arxiv.1503.05278 · pith_short_12: IBQLTTT25XI2 · pith_short_16: IBQLTTT25XI2E3UO · pith_short_8: IBQLTTT2

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/IBQLTTT25XI2E3UOYQ5TH3LKD7 \
  | 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: 4060b9ce7aedd1a26e8ec43b33ed6a1fe8af307b3a4abb12851761e3167f13e2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f637a8ceea73d8109d3d719bd1ad26a9ea49a06b0649dcc190471a781bb3d005",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-03-18T03:30:06Z",
    "title_canon_sha256": "7c7b40eb057f8c04e68be8b6acc5d7f77cea67ccf256630796785b74eb06aa21"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.05278",
    "kind": "arxiv",
    "version": 1
  }
}