Pith Number

pith:WPX6E4VU

pith:2012:WPX6E4VU5MZVC2YCPVXF5SKQCW

not attested not anchored not stored refs pending

Corner-cube retro-reflector instrument for advanced lunar laser ranging

Gary M. Gutt, James G. Williams, John A. Lipa, Randall C. Hein, Richard T. Baran, Ruwan P. Somawardhana, Slava G. Turyshev, Suwen Wang, William M. Folkner

arxiv:1210.7857 v2 · 2012-10-29 · physics.ins-det · astro-ph.IM · 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{WPX6E4VU5MZVC2YCPVXF5SKQCW}

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	2026-05-18T03:16:06.352570Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b3efe272b4eb33516b027d6e5ec95015a15595b20b3dc1dcaabc9b295adbb775

Aliases

arxiv: 1210.7857 · arxiv_version: 1210.7857v2 · doi: 10.48550/arxiv.1210.7857 · pith_short_12: WPX6E4VU5MZV · pith_short_16: WPX6E4VU5MZVC2YC · pith_short_8: WPX6E4VU

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/WPX6E4VU5MZVC2YCPVXF5SKQCW \
  | 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: b3efe272b4eb33516b027d6e5ec95015a15595b20b3dc1dcaabc9b295adbb775

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c024eeb74f2f44d78b1e5f8d9d108947b2f0152f5091b188e58f722182603368",
    "cross_cats_sorted": [
      "astro-ph.IM",
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ins-det",
    "submitted_at": "2012-10-29T22:41:53Z",
    "title_canon_sha256": "42687d0fd4398533713aecef620e04621c3dcc95690d4e8d5dbc8ecc6c9481ea"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.7857",
    "kind": "arxiv",
    "version": 2
  }
}