Pith Number

pith:FMUU3P33

pith:2012:FMUU3P33QWD22TZKFMFPKM4CQA

not attested not anchored not stored refs pending

Lunar Laser Ranging Tests of the Equivalence Principle

Dale Boggs, James G. Williams, Slava G. Turyshev

arxiv:1203.2150 v1 · 2012-03-09 · 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{FMUU3P33QWD22TZKFMFPKM4CQA}

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	2026-05-18T03:48:44.933935Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2b294dbf7b8587ad4f2a2b0af53382802dbf8d1533470f6df86eec875e37ef74

Aliases

arxiv: 1203.2150 · arxiv_version: 1203.2150v1 · doi: 10.48550/arxiv.1203.2150 · pith_short_12: FMUU3P33QWD2 · pith_short_16: FMUU3P33QWD22TZK · pith_short_8: FMUU3P33

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/FMUU3P33QWD22TZKFMFPKM4CQA \
  | 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: 2b294dbf7b8587ad4f2a2b0af53382802dbf8d1533470f6df86eec875e37ef74

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8c04b09067874e321a63fb272b386d5b92addbaa1148e7810270dc836131a83c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2012-03-09T17:49:48Z",
    "title_canon_sha256": "13a2b3bc16efe6e5fdbe8c28e9ebc9c2139481f1357bfed2c3f64e62e767b1fd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.2150",
    "kind": "arxiv",
    "version": 1
  }
}