Pith Number

pith:7BNTGE3H

pith:2011:7BNTGE3HIV3QTOXR2JADE3TPKH

not attested not anchored not stored refs pending

Chronology and Sources of Lunar Impact Bombardment

Matija \'Cuk

arxiv:1112.0046 v1 · 2011-11-30 · 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{7BNTGE3HIV3QTOXR2JADE3TPKH}

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	2026-05-18T01:59:20.784878Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f85b331367457709baf1d240326e6f51f4f1eb8dea00405bf3748b0eb73d0b5c

Aliases

arxiv: 1112.0046 · arxiv_version: 1112.0046v1 · doi: 10.48550/arxiv.1112.0046 · pith_short_12: 7BNTGE3HIV3Q · pith_short_16: 7BNTGE3HIV3QTOXR · pith_short_8: 7BNTGE3H

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/7BNTGE3HIV3QTOXR2JADE3TPKH \
  | 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: f85b331367457709baf1d240326e6f51f4f1eb8dea00405bf3748b0eb73d0b5c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a75c92d71a1af97ceb75b04ae18df4781ee3bc62833c9d7d5a01160c6617f6d4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2011-11-30T22:20:38Z",
    "title_canon_sha256": "52461cb23d70564724627a706f7d33555aced408676592d79283a32a3571765b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1112.0046",
    "kind": "arxiv",
    "version": 1
  }
}