Pith Number

pith:LXC2LD3G

pith:2018:LXC2LD3GWGASBPQW3MEELYB33W

not attested not anchored not stored refs pending

The timeline of the Lunar bombardment - revisited

A. Morbidelli, D.C. Rubie, D.Nesvorny, L. Elkins-Tanton, M. Wieczorek, S.Jacobson, S. Marchi, V. Laurenz

arxiv:1801.03756 v1 · 2018-01-11 · 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{LXC2LD3GWGASBPQW3MEELYB33W}

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	2026-05-18T00:26:13.527256Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5dc5a58f66b18120be16db0845e03bdda2686e2c6b38d76361c05507b0d14df2

Aliases

arxiv: 1801.03756 · arxiv_version: 1801.03756v1 · doi: 10.48550/arxiv.1801.03756 · pith_short_12: LXC2LD3GWGAS · pith_short_16: LXC2LD3GWGASBPQW · pith_short_8: LXC2LD3G

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/LXC2LD3GWGASBPQW3MEELYB33W \
  | 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: 5dc5a58f66b18120be16db0845e03bdda2686e2c6b38d76361c05507b0d14df2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c6812f76af3244c35f4d2a8b05ae0ad72af69a5345a425f016890b1a2a2157c1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2018-01-11T13:47:21Z",
    "title_canon_sha256": "30fb300883295fd766d9a2a3abaf0cf00f1ae6f851ad6bfeb5767b3917f2b5e7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.03756",
    "kind": "arxiv",
    "version": 1
  }
}