Pith Number

pith:NYDDHVWX

pith:2018:NYDDHVWXM6PZVFGTBTKI4J4P2L

not attested not anchored not stored refs pending

The Fraction of Stars That Form in Clusters in Different Galaxies

Alexander J. Mulia, Bradley C. Whitmore, Rupali Chandar, S. Michael Fall

arxiv:1806.11537 v1 · 2018-06-29 · 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{NYDDHVWXM6PZVFGTBTKI4J4P2L}

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	2026-05-18T00:11:04.133132Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6e0633d6d7679f9a94d30cd48e278fd2dad423739e04dbe7e010523602bb856b

Aliases

arxiv: 1806.11537 · arxiv_version: 1806.11537v1 · doi: 10.48550/arxiv.1806.11537 · pith_short_12: NYDDHVWXM6PZ · pith_short_16: NYDDHVWXM6PZVFGT · pith_short_8: NYDDHVWX

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/NYDDHVWXM6PZVFGTBTKI4J4P2L \
  | 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: 6e0633d6d7679f9a94d30cd48e278fd2dad423739e04dbe7e010523602bb856b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fb68cd241d2a56bca4537955737477a064a08c30f2c6134b121e72313cc0f49b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-06-29T17:04:57Z",
    "title_canon_sha256": "e030ce59369a8545dbe1a748177fdd1787e793ba3d8d913f9d1c7ca9942b5074"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.11537",
    "kind": "arxiv",
    "version": 1
  }
}