Pith Number

pith:H2BODXN2

pith:2013:H2BODXN2BAH5BN6ZI6UM3TNEO2

not attested not anchored not stored refs pending

The distance to the young open cluster Westerlund 2

David Turner (St. Mary University), D. Majaess (St Mary University), Giovanni Carraro (ESO-Chile), Gustavo Baume (La Plata)

arxiv:1305.4309 v1 · 2013-05-19 · 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{H2BODXN2BAH5BN6ZI6UM3TNEO2}

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	2026-05-18T01:49:49.025661Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3e82e1ddba080fd0b7d947a8cdcda476a12fe13913453d0a73c72f1152c2f556

Aliases

arxiv: 1305.4309 · arxiv_version: 1305.4309v1 · doi: 10.48550/arxiv.1305.4309 · pith_short_12: H2BODXN2BAH5 · pith_short_16: H2BODXN2BAH5BN6Z · pith_short_8: H2BODXN2

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/H2BODXN2BAH5BN6ZI6UM3TNEO2 \
  | 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: 3e82e1ddba080fd0b7d947a8cdcda476a12fe13913453d0a73c72f1152c2f556

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "16f364646a6999fd44462ea67adfe54232b3ee91bf847cdce79b46631b55807f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2013-05-19T00:16:50Z",
    "title_canon_sha256": "dd386c9758f31e89448c216ac055c193af8049443f26b9a93a657a08db9caccf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.4309",
    "kind": "arxiv",
    "version": 1
  }
}