Pith Number

pith:7NGGQS5J

pith:2019:7NGGQS5JG3RPQRABAQBPHJIOJA

not attested not anchored not stored refs pending

A VLT/FLAMES survey for massive binaries in Westerlund 1: VI. Properties of X-ray bright massive cluster members

B. W. Ritchie, I. Negueruela, J. S. Clark

arxiv:1902.05322 v1 · 2019-02-14 · astro-ph.SR

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7NGGQS5JG3RPQRABAQBPHJIOJA}

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	2026-05-17T23:43:03.401981Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fb4c684ba936e2f844010402f3a50e481c2f24fc6a429ac617149746c289813c

Aliases

arxiv: 1902.05322 · arxiv_version: 1902.05322v1 · doi: 10.48550/arxiv.1902.05322 · pith_short_12: 7NGGQS5JG3RP · pith_short_16: 7NGGQS5JG3RPQRAB · pith_short_8: 7NGGQS5J

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/7NGGQS5JG3RPQRABAQBPHJIOJA \
  | 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: fb4c684ba936e2f844010402f3a50e481c2f24fc6a429ac617149746c289813c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3803c32d30901568d0ad9de8995f7a64ac901b1569be06583b77f354b73049b8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2019-02-14T12:22:11Z",
    "title_canon_sha256": "a73feefb6ce82249c5f6936ac35eade6a0d14d42fc43c9936919f7f85e8dfdcc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.05322",
    "kind": "arxiv",
    "version": 1
  }
}