Pith Number

pith:AD3O6VXS

pith:2011:AD3O6VXSMI4NNSFS6DUJYZ6NLJ

not attested not anchored not stored refs pending

Fundamental Parameters of four Massive Eclipsing Binaries in Westerlund 1

A.Z. Bonanos, E. Koumpia

arxiv:1108.4453 v1 · 2011-08-22 · 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{AD3O6VXSMI4NNSFS6DUJYZ6NLJ}

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	2026-05-18T02:00:49.526603Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

00f6ef56f26238d6c8b2f0e89c67cd5a4d9c5f6a75cbc451dd54dd94753dd54f

Aliases

arxiv: 1108.4453 · arxiv_version: 1108.4453v1 · doi: 10.48550/arxiv.1108.4453 · pith_short_12: AD3O6VXSMI4N · pith_short_16: AD3O6VXSMI4NNSFS · pith_short_8: AD3O6VXS

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/AD3O6VXSMI4NNSFS6DUJYZ6NLJ \
  | 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: 00f6ef56f26238d6c8b2f0e89c67cd5a4d9c5f6a75cbc451dd54dd94753dd54f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d74075f9ce291afcfb89855121ea43ccc5665b0310113ca64037c53b297de920",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-08-22T22:37:58Z",
    "title_canon_sha256": "542a7ed69a7318bd3feeb5c826e385f2a9ef3138aa9d696df9fa545376eff09d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1108.4453",
    "kind": "arxiv",
    "version": 1
  }
}