Pith Number

pith:LHZ7VHCU

pith:2019:LHZ7VHCU3ELHMTBPZABWAXI22W

not attested not anchored not stored refs pending

Observational constraint on the radius and oblateness of the lunar core-mantle boundary

Agnes Fienga, Jacques Laskar, Mickael Gastineau, Nicolas Rambaux, Vishnu Viswanathan

arxiv:1903.07205 v2 · 2019-03-18 · physics.geo-ph · astro-ph.EP · 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{LHZ7VHCU3ELHMTBPZABWAXI22W}

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	2026-05-17T23:39:39.700630Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

59f3fa9c54d916764c2fc803605d1ad5822338b08a1b0ebc8d67a69aea1cbd94

Aliases

arxiv: 1903.07205 · arxiv_version: 1903.07205v2 · doi: 10.48550/arxiv.1903.07205 · pith_short_12: LHZ7VHCU3ELH · pith_short_16: LHZ7VHCU3ELHMTBP · pith_short_8: LHZ7VHCU

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/LHZ7VHCU3ELHMTBPZABWAXI22W \
  | 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: 59f3fa9c54d916764c2fc803605d1ad5822338b08a1b0ebc8d67a69aea1cbd94

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a87eb22950bf61880826680d892395c3846a537c6df35897ca13df7b334f9d1e",
    "cross_cats_sorted": [
      "astro-ph.EP",
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.geo-ph",
    "submitted_at": "2019-03-18T00:05:25Z",
    "title_canon_sha256": "5339cd97ec64fdb8f1a08ae127c88cfede7a835c83db9a2df5ab152de55f2fb5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.07205",
    "kind": "arxiv",
    "version": 2
  }
}