Pith Number

pith:4O3E2T4L

pith:2010:4O3E2T4LPKLNADUI3OHOLSEKHC

not attested not anchored not stored refs pending

Laser Ranging to the Lost Lunokhod~1 Reflector

C. D. Hoyle, C. W. Stubbs, E. G. Adelberger, E. L. Michelsen, H. E. Swanson, J. B. R. Battat, N. H. Johnson, R. J. McMillan, T. W. Murphy Jr

arxiv:1009.5720 v2 · 2010-09-28 · astro-ph.EP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4O3E2T4LPKLNADUI3OHOLSEKHC}

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.

Cited by

1 paper in Pith

The Confrontation between General Relativity and Experiment

Receipt and verification

First computed	2026-05-18T03:12:33.551351Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e3b64d4f8b7a96d00e88db8ee5c88a38b9ab2694c21bdd535c5b8f17fecb293f

Aliases

arxiv: 1009.5720 · arxiv_version: 1009.5720v2 · doi: 10.48550/arxiv.1009.5720 · pith_short_12: 4O3E2T4LPKLN · pith_short_16: 4O3E2T4LPKLNADUI · pith_short_8: 4O3E2T4L

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/4O3E2T4LPKLNADUI3OHOLSEKHC \
  | 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: e3b64d4f8b7a96d00e88db8ee5c88a38b9ab2694c21bdd535c5b8f17fecb293f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8fefeeef8edb8def5f4c1696f672f162d3e20273fc95651a82336725decc7655",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2010-09-28T23:15:21Z",
    "title_canon_sha256": "76e48d08872ef463bcdc16db9ee95bdd699f362a7aeb5b1ab2f366053162e433"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1009.5720",
    "kind": "arxiv",
    "version": 2
  }
}