Pith Number

pith:5HLWXAWD

pith:2021:5HLWXAWDSTCTD5XC66V5Q2JF26

not attested not anchored not stored refs pending

Impacts on the Moon: analysis methods and size distribution of impactors

Antony Cook, Chrysa Avdellidou, Daniel Sheward, Edhah Munaibari, Jeremie Vaubaillon, Marco Delbo, Mark Wieczorek, Paul Hayne, Raven Larson

arxiv:2111.15269 v1 · 2021-11-30 · astro-ph.EP · 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{5HLWXAWDSTCTD5XC66V5Q2JF26}

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	2026-07-05T03:36:24.542569Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e9d76b82c394c531f6e2f7abd86925d78f76e683869460b0d12a30c5e2b5f7a5

Aliases

arxiv: 2111.15269 · arxiv_version: 2111.15269v1 · doi: 10.48550/arxiv.2111.15269 · pith_short_12: 5HLWXAWDSTCT · pith_short_16: 5HLWXAWDSTCTD5XC · pith_short_8: 5HLWXAWD

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/5HLWXAWDSTCTD5XC66V5Q2JF26 \
  | 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: e9d76b82c394c531f6e2f7abd86925d78f76e683869460b0d12a30c5e2b5f7a5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b09d1ca01e2a956cdbd2a285608294236603fb9a6e8670f48b2c48436c3ecbbf",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2021-11-30T10:33:29Z",
    "title_canon_sha256": "7f796a00f3189194282e4ce7b599e651a2d5f007d1850b53e9451b6564fc75c6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2111.15269",
    "kind": "arxiv",
    "version": 1
  }
}