Pith Number

pith:DLSERR6K

pith:2013:DLSERR6KZPZKZBVP2V4MYDNHHF

not attested not anchored not stored refs pending

Lunar laser ranging: the millimeter challenge

T. W. Murphy Jr

arxiv:1309.6294 v1 · 2013-09-24 · gr-qc · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DLSERR6KZPZKZBVP2V4MYDNHHF}

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	2026-05-18T03:12:23.153746Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1ae448c7cacbf2ac86afd578cc0da739583d70e844956ad04a78a6018b12133c

Aliases

arxiv: 1309.6294 · arxiv_version: 1309.6294v1 · doi: 10.48550/arxiv.1309.6294 · pith_short_12: DLSERR6KZPZK · pith_short_16: DLSERR6KZPZKZBVP · pith_short_8: DLSERR6K

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/DLSERR6KZPZKZBVP2V4MYDNHHF \
  | 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: 1ae448c7cacbf2ac86afd578cc0da739583d70e844956ad04a78a6018b12133c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f1683648b2580df109490fd6b0933d6b887d029c0d597b979a93f2733e93cffd",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2013-09-24T19:22:57Z",
    "title_canon_sha256": "6ccd2d64ad234c0042ab1435f3cff3dd6767b7a407ecd3a58d44178fa79de03f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.6294",
    "kind": "arxiv",
    "version": 1
  }
}