Pith Number

pith:KEF2UUMD

pith:2010:KEF2UUMDJLTDXVECI7DPJYEVNO

not attested not anchored not stored refs pending

Fundamental Parameters of 4 Massive Eclipsing Binaries in Westerlund 1

A.Z. Bonanos, E. Koumpia

arxiv:1009.4709 v1 · 2010-09-23 · 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{KEF2UUMDJLTDXVECI7DPJYEVNO}

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	2026-05-18T02:05:17.955064Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

510baa51834ae63bd48247c6f4e0956baf973f804917a6b0b39b3524857a8cea

Aliases

arxiv: 1009.4709 · arxiv_version: 1009.4709v1 · doi: 10.48550/arxiv.1009.4709 · pith_short_12: KEF2UUMDJLTD · pith_short_16: KEF2UUMDJLTDXVEC · pith_short_8: KEF2UUMD

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/KEF2UUMDJLTDXVECI7DPJYEVNO \
  | 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: 510baa51834ae63bd48247c6f4e0956baf973f804917a6b0b39b3524857a8cea

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c5da12b5a149e17dd69817941eec95f03b543dc7d8d655aa5cd6ca5cdfde287b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2010-09-23T20:06:46Z",
    "title_canon_sha256": "3749633a2d26ae59cf666ee59343caede5e23108298dd611d4098e759ffdff00"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1009.4709",
    "kind": "arxiv",
    "version": 1
  }
}