Pith Number

pith:27VUSHK2

pith:2009:27VUSHK2TNK5KR3M7MG3ZFWD73

not attested not anchored not stored refs pending

Observational properties of the open cluster system of the Milky Way and what they tell us about our Galaxy

Andre Moitinho

arxiv:0911.1459 v1 · 2009-11-09 · 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{27VUSHK2TNK5KR3M7MG3ZFWD73}

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.

Cited by

1 paper in Pith

Mapping the reddening plane in the Galactic disk through interstellar extinction of open clusters

Receipt and verification

First computed	2026-05-18T02:10:58.324757Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d7eb491d5a9b55d5476cfb0dbc96c3fee959d930f51936ccfe2f8f650b554eea

Aliases

arxiv: 0911.1459 · arxiv_version: 0911.1459v1 · doi: 10.48550/arxiv.0911.1459 · pith_short_12: 27VUSHK2TNK5 · pith_short_16: 27VUSHK2TNK5KR3M · pith_short_8: 27VUSHK2

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/27VUSHK2TNK5KR3M7MG3ZFWD73 \
  | 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: d7eb491d5a9b55d5476cfb0dbc96c3fee959d930f51936ccfe2f8f650b554eea

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e4bb56509fc5f26c4eee897a012c1bd8d179273d6baa0a11bee9c63c9a80dab3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2009-11-09T14:01:24Z",
    "title_canon_sha256": "863ac39e83401a96dcfe5fe144f7c3668a4cb024a8609facce4c4c5f35f0d8e2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0911.1459",
    "kind": "arxiv",
    "version": 1
  }
}