Pith Number

pith:AZZNXKV6

pith:2022:AZZNXKV63MQDDKPIJUE3Y7Z7HW

not attested not anchored not stored refs pending

Westerlund 1 under the light of Gaia EDR3: Distance, isolation, extent, and a hidden population

Amparo Marco (Alicante), Carlos Gonz\'alez-Fern\'andez (Cambridge), Emilio J. Alfaro (IAA), Ignacio Negueruela (Alicante), Jes\'us Ma\'iz Apell\'aniz (CAB), Ricardo Dorda (IAC)

arxiv:2204.00422 v2 · 2022-04-01 · 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{AZZNXKV63MQDDKPIJUE3Y7Z7HW}

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

Giants, Supergiants and Hypergiants

Receipt and verification

First computed	2026-07-05T04:50:54.909582Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0672dbaabedb2031a9e84d09bc7f3f3d8bd00980d943fbee955212b3a134843e

Aliases

arxiv: 2204.00422 · arxiv_version: 2204.00422v2 · doi: 10.48550/arxiv.2204.00422 · pith_short_12: AZZNXKV63MQD · pith_short_16: AZZNXKV63MQDDKPI · pith_short_8: AZZNXKV6

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/AZZNXKV63MQDDKPIJUE3Y7Z7HW \
  | 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: 0672dbaabedb2031a9e84d09bc7f3f3d8bd00980d943fbee955212b3a134843e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c358ecbe14bbca2ac0be642a7f5940e3656a7c79885c46c8b18c8e498de587b2",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2022-04-01T13:30:04Z",
    "title_canon_sha256": "5d2e05a3b75f02f6ee31b8191741e69a24a92f3ebaf47168f4f4574a0f4c9c50"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2204.00422",
    "kind": "arxiv",
    "version": 2
  }
}