Pith Number

pith:YJUUWL6A

pith:2004:YJUUWL6AM3MR2FT43DSQIIADZD

not attested not anchored not stored refs pending

Laser Ranging to the Moon, Mars and Beyond

James G. Williams, John D. Anderson, Kenneth L. Nordtvedt Jr, Michael Shao, Slava G. Turyshev, Thomas W. Murphy Jr

arxiv:gr-qc/0411082 v1 · 2004-11-16 · 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{YJUUWL6AM3MR2FT43DSQIIADZD}

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	2026-07-04T14:25:48.970484Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c2694b2fc066d91d167cd8e5042003c8df6e0ed1dc1f8cc9701d74e19b0420a9

Aliases

arxiv: gr-qc/0411082 · arxiv_version: gr-qc/0411082v1 · doi: 10.48550/arxiv.gr-qc/0411082 · pith_short_12: YJUUWL6AM3MR · pith_short_16: YJUUWL6AM3MR2FT4 · pith_short_8: YJUUWL6A

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/YJUUWL6AM3MR2FT43DSQIIADZD \
  | 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: c2694b2fc066d91d167cd8e5042003c8df6e0ed1dc1f8cc9701d74e19b0420a9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "53d43f570b4dc6e3f333419829a9a7ccb7c788eccf848646aec0e48c2a3f053f",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "2004-11-16T19:40:50Z",
    "title_canon_sha256": "2b1f1464b9aae5a5a65b4006826f85e2e48a10f064bef3a1fea689d531c66188"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/0411082",
    "kind": "arxiv",
    "version": 1
  }
}