Pith Number

pith:PNDF4QJC

pith:2015:PNDF4QJCW5EAT2UTLNQLYJWVSB

not attested not anchored not stored refs pending

IAU Commission 37 "Star Clusters and Associations" Legacy report

Barbara Anthony-Twarog, Bruce Elmegreen, Dante Minniti, Douglas Geisler, Giovanni Carraro, Peter Stetson, Richard de Grijs, Simon Goodwin

arxiv:1511.00835 v1 · 2015-11-03 · 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{PNDF4QJCW5EAT2UTLNQLYJWVSB}

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	2026-05-18T01:27:56.105683Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7b465e4122b74809ea935b60bc26d59067cafba85d470c37dc17fc7c2b72bd1e

Aliases

arxiv: 1511.00835 · arxiv_version: 1511.00835v1 · doi: 10.48550/arxiv.1511.00835 · pith_short_12: PNDF4QJCW5EA · pith_short_16: PNDF4QJCW5EAT2UT · pith_short_8: PNDF4QJC

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/PNDF4QJCW5EAT2UTLNQLYJWVSB \
  | 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: 7b465e4122b74809ea935b60bc26d59067cafba85d470c37dc17fc7c2b72bd1e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "38f75e15506954f6b2b4d486e67bd90d5b95850f89071c20fe1cccb907c862b5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-11-03T09:42:00Z",
    "title_canon_sha256": "c5738543c886549dc55c6b3734e7faa354b5d83ab73d06949541d2591f03fd3a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.00835",
    "kind": "arxiv",
    "version": 1
  }
}