Pith Number

pith:JPPKU5EY

pith:2017:JPPKU5EYAHJ2QOGP6RU5YW365Z

not attested not anchored not stored refs pending

The low-mass content of the massive young star cluster RCW 38

Alexander Scholz, Joana Ascenso, Koraljka Muzic, Lucas A. Cieza, Rainer Schoedel, Ray Jayawardhana, Vincent C. Geers

arxiv:1707.00277 v1 · 2017-07-02 · astro-ph.SR · 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{JPPKU5EYAHJ2QOGP6RU5YW365Z}

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	2026-05-18T00:36:28.829054Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4bdeaa749801d3a838cff469dc5b7eee5e4aa6517830dbe39d37b75f1798f56d

Aliases

arxiv: 1707.00277 · arxiv_version: 1707.00277v1 · doi: 10.48550/arxiv.1707.00277 · pith_short_12: JPPKU5EYAHJ2 · pith_short_16: JPPKU5EYAHJ2QOGP · pith_short_8: JPPKU5EY

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/JPPKU5EYAHJ2QOGP6RU5YW365Z \
  | 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: 4bdeaa749801d3a838cff469dc5b7eee5e4aa6517830dbe39d37b75f1798f56d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b659c48a14682d19ee63da76f74f13fb61d1f942829a82e8ffd1420fa19f6172",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2017-07-02T11:03:19Z",
    "title_canon_sha256": "8dc575f494a9cda860e9bb500eb3f8176d6a65616e95844bca96f4acf2f01868"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.00277",
    "kind": "arxiv",
    "version": 1
  }
}