Pith Number

pith:HYLB3AMP

pith:2020:HYLB3AMPF26KXR4IGJ7VM4KAPM

not attested not anchored not stored refs pending

Unlocking Galactic Wolf-Rayet stars with $\textit{Gaia}$ DR2 II: Cluster and Association membership

Gemma Rate, Paul A. Crowther, Richard J. Parker

arxiv:2005.02533 v1 · 2020-05-05 · 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{HYLB3AMPF26KXR4IGJ7VM4KAPM}

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	2026-07-05T01:04:24.497737Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3e161d818f2ebcabc788327f5671407b063dcff76e9f9f45cb18f693c7b477c5

Aliases

arxiv: 2005.02533 · arxiv_version: 2005.02533v1 · doi: 10.48550/arxiv.2005.02533 · pith_short_12: HYLB3AMPF26K · pith_short_16: HYLB3AMPF26KXR4I · pith_short_8: HYLB3AMP

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/HYLB3AMPF26KXR4IGJ7VM4KAPM \
  | 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: 3e161d818f2ebcabc788327f5671407b063dcff76e9f9f45cb18f693c7b477c5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3ecf6b7d7039f12ee6f68c9e479c08f942e296c4031518ba50506b306ac46963",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2020-05-05T23:25:20Z",
    "title_canon_sha256": "9484700d8fd0f594fe85210528ef5edfdbbe4328b32a52d69de79a8f6eabd1a8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2005.02533",
    "kind": "arxiv",
    "version": 1
  }
}