Pith Number

pith:WQ5VUHV2

pith:2022:WQ5VUHV2WDPTDOHCX7MBR2KY7U

not attested not anchored not stored refs pending

Distribution of dust ejected from the lunar surface into the Earth-Moon system

J\"urgen Schmidt, Kun Yang, Weiming Feng, XiaoDong Liu

arxiv:2204.01040 v1 · 2022-04-03 · astro-ph.EP · physics.space-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WQ5VUHV2WDPTDOHCX7MBR2KY7U}

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	2026-07-05T04:11:14.852443Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b43b5a1ebab0df31b8e2bfd818e958fd0fbb55f65ec55c97d069346ae3a8db3f

Aliases

arxiv: 2204.01040 · arxiv_version: 2204.01040v1 · doi: 10.48550/arxiv.2204.01040 · pith_short_12: WQ5VUHV2WDPT · pith_short_16: WQ5VUHV2WDPTDOHC · pith_short_8: WQ5VUHV2

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/WQ5VUHV2WDPTDOHCX7MBR2KY7U \
  | 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: b43b5a1ebab0df31b8e2bfd818e958fd0fbb55f65ec55c97d069346ae3a8db3f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "47fe77cc37d80df7ee6f20cc7a62fa1006549f282cf3ca03cb9732336f288033",
    "cross_cats_sorted": [
      "physics.space-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2022-04-03T10:15:31Z",
    "title_canon_sha256": "e3f43df871f11f3769bb4a5ac96ca6abea56c710d6037d56eb2c388d25e27c4e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2204.01040",
    "kind": "arxiv",
    "version": 1
  }
}