pith. sign in
Pith Number

pith:QNYJYZDM

pith:2001:QNYJYZDM3IEAD2S2YTAF247RPY
not attested not anchored not stored refs pending

The Distance of the Large Magellanic Cloud Cluster NGC 1866

A.R. Walker, E. Brocato, E. Di Carlo, G. Raimondo, V. Castellani, V. Hill

arxiv:astro-ph/0109147 v1 · 2001-09-10 · astro-ph

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{QNYJYZDM3IEAD2S2YTAF247RPY}

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 2026-07-04T16:24:05.535814Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

83709c646cda0801ea5ac4c05d73f17e00c02088b262677f1a0a6c7cded6d82d

Aliases

arxiv: astro-ph/0109147 · arxiv_version: astro-ph/0109147v1 · doi: 10.48550/arxiv.astro-ph/0109147 · pith_short_12: QNYJYZDM3IEA · pith_short_16: QNYJYZDM3IEAD2S2 · pith_short_8: QNYJYZDM
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/QNYJYZDM3IEAD2S2YTAF247RPY \
  | 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: 83709c646cda0801ea5ac4c05d73f17e00c02088b262677f1a0a6c7cded6d82d
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "d684ab9464052b475b763b1387649d65bcec961d603fa191e36e2c199b278175",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2001-09-10T12:52:45Z",
    "title_canon_sha256": "62098469a978c91862ac4297372c5705bbbb6c9f97869474e97346b03f393647"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0109147",
    "kind": "arxiv",
    "version": 1
  }
}