Pith Number

pith:BPKPOB3K

pith:2014:BPKPOB3KUAXBJZ2H2EMKJXTYBI

not attested not anchored not stored refs pending

The Luminosity Function of Star Clusters in 20 Star-Forming Galaxies Based on Hubble Legacy Archive Photometry

(2) University of Toledo, 3), (3) Johns Hopkins University, (4) Radboud University Nijmegen, 5), (5) Northwestern University, (6) University of Illinois), Ariel S. Bowers (1, Asna Ansari (1, Bradley C. Whitmore (1), Jessica Evans (6). ((1) Space Telescope Science Institute, Kevin Lindsay (1), Rupali Chandar (2), Soeren Larsen (4)

arxiv:1404.0301 v1 · 2014-04-01 · 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{BPKPOB3KUAXBJZ2H2EMKJXTYBI}

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	2026-05-18T01:43:43.334295Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0bd4f7076aa02e14e747d118a4de780a3b5787ed113caafb117ffeb9ca4e00fa

Aliases

arxiv: 1404.0301 · arxiv_version: 1404.0301v1 · doi: 10.48550/arxiv.1404.0301 · pith_short_12: BPKPOB3KUAXB · pith_short_16: BPKPOB3KUAXBJZ2H · pith_short_8: BPKPOB3K

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/BPKPOB3KUAXBJZ2H2EMKJXTYBI \
  | 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: 0bd4f7076aa02e14e747d118a4de780a3b5787ed113caafb117ffeb9ca4e00fa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "594ebe8c673206ce2fd42d44c8756c6f86df88645c7720606e8a97c0b0fbf962",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2014-04-01T16:30:07Z",
    "title_canon_sha256": "29f25be27744d6651e76c014aa97a7767bb4f959b491d4fdf907fb9ff6678832"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.0301",
    "kind": "arxiv",
    "version": 1
  }
}