Pith Number

pith:FJ32FASN

pith:2019:FJ32FASNFAY4ATO24RERTM5VJM

not attested not anchored not stored refs pending

Multiple Impact Origin for the Moon

Hagai B. Perets, Oded Aharonson, Raluca Rufu

arxiv:1903.02525 v1 · 2019-03-06 · 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{FJ32FASNFAY4ATO24RERTM5VJM}

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	2026-05-17T23:51:55.147485Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2a77a2824d2831c04ddae44919b3b54b1ad16d0f38bfa0bf3a03680d53303973

Aliases

arxiv: 1903.02525 · arxiv_version: 1903.02525v1 · doi: 10.48550/arxiv.1903.02525 · pith_short_12: FJ32FASNFAY4 · pith_short_16: FJ32FASNFAY4ATO2 · pith_short_8: FJ32FASN

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/FJ32FASNFAY4ATO24RERTM5VJM \
  | 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: 2a77a2824d2831c04ddae44919b3b54b1ad16d0f38bfa0bf3a03680d53303973

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e1fe98bfe182d3a177c54439fcca66a7ed659d42231168dd2e276d377b4d0386",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2019-03-06T18:01:09Z",
    "title_canon_sha256": "c7bb49547d3e3010b891be05567f8fa709fe658aa4988c5895c9b1ac26edb827"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.02525",
    "kind": "arxiv",
    "version": 1
  }
}