Pith Number

pith:XSSHDUEM

pith:2009:XSSHDUEMLA2E6ODQYKUXSDBH5D

not attested not anchored not stored refs pending

Post-Newtonian Reference Frames for Advanced Theory of the Lunar Motion and a New Generation of Lunar Laser Ranging

China; University of Missouri-Columbia, Sergei Kopeikin (University of Missouri-Columbia, USA), Yi Xie (Nanjing University

arxiv:0902.2416 v2 · 2009-02-14 · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XSSHDUEMLA2E6ODQYKUXSDBH5D}

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	2026-05-18T00:41:48.168583Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bca471d08c58344f3870c2a9790c27e8d970aa2b8a1f5cb95259ed162c5d91dc

Aliases

arxiv: 0902.2416 · arxiv_version: 0902.2416v2 · doi: 10.48550/arxiv.0902.2416 · pith_short_12: XSSHDUEMLA2E · pith_short_16: XSSHDUEMLA2E6ODQ · pith_short_8: XSSHDUEM

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/XSSHDUEMLA2E6ODQYKUXSDBH5D \
  | 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: bca471d08c58344f3870c2a9790c27e8d970aa2b8a1f5cb95259ed162c5d91dc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "003b162d63270a1692f0c6f0c55bda1db6d1ee44d1b4d22793b1c10f96eb4c41",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2009-02-14T00:29:13Z",
    "title_canon_sha256": "6529f53edc8961cdd3135096eda39e7eafca859ff61a534ce8fb5829c5823e8d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0902.2416",
    "kind": "arxiv",
    "version": 2
  }
}