Pith. sign in
Pith Number

pith:6657APKG

pith:2019:6657APKGW7JKBMVWBEGQPVU3VB
not attested not anchored not stored refs pending

Inferring the parallax of Westerlund 1 from Gaia DR2

Jeremiah W. Murphy, John Parejko, Jose H. Groh, Joseph Guzman, Keivan G. Stassun, Mariangelly D\'iaz-Rodr\'iguez, Maria R. Drout, Mojgan Aghakhanloo, Nathan Smith

arxiv:1901.06582 v4 · 2019-01-19 · astro-ph.SR · astro-ph.GA

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{6657APKGW7JKBMVWBEGQPVU3VB}

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

Receipt and verification
First computed 2026-07-05T00:51:27.408458Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

f7bbf03d46b7d2a0b2b6090d07d69ba87955c3aecc35b09116059aaada9cc600

Aliases

arxiv: 1901.06582 · arxiv_version: 1901.06582v4 · doi: 10.48550/arxiv.1901.06582 · pith_short_12: 6657APKGW7JK · pith_short_16: 6657APKGW7JKBMVW · pith_short_8: 6657APKG
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/6657APKGW7JKBMVWBEGQPVU3VB \
  | 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: f7bbf03d46b7d2a0b2b6090d07d69ba87955c3aecc35b09116059aaada9cc600
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "c34009055a2da2572116ee3b0db5aae094925e5ee0ed869ae949b5acc21298e3",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2019-01-19T19:58:21Z",
    "title_canon_sha256": "a785c2155e6d2fd4e372e1df086ef2db3707169825390884288c32283bf560b0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.06582",
    "kind": "arxiv",
    "version": 4
  }
}