Pith Number

pith:WJEQXYHF

pith:2012:WJEQXYHFPTTV5UIBTHO6PUULQJ

not attested not anchored not stored refs pending

A Sawtooth-like Timeline for the First Billion Year of Lunar Bombardment

Alessandro Morbidelli, David A. Kring, Simone Marchi, William F. Bottke

arxiv:1208.4624 v1 · 2012-08-22 · 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{WJEQXYHFPTTV5UIBTHO6PUULQJ}

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	2026-05-18T01:54:59.374958Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b2490be0e57ce75ed10199dde7d28b8275f0b500041e2c901895ae58dae54307

Aliases

arxiv: 1208.4624 · arxiv_version: 1208.4624v1 · doi: 10.48550/arxiv.1208.4624 · pith_short_12: WJEQXYHFPTTV · pith_short_16: WJEQXYHFPTTV5UIB · pith_short_8: WJEQXYHF

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/WJEQXYHFPTTV5UIBTHO6PUULQJ \
  | 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: b2490be0e57ce75ed10199dde7d28b8275f0b500041e2c901895ae58dae54307

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "afcbbfb14bb838b79c5130e623a2a37ae1041930ed6e34041bcd44a83b890a0f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2012-08-22T21:02:43Z",
    "title_canon_sha256": "1638ecef37b231b5ae9ad0cdf12764c2cdc5c55396f18b29a2393fb3f73b8cd5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1208.4624",
    "kind": "arxiv",
    "version": 1
  }
}