Pith Number

pith:VK2CPD7E

pith:2011:VK2CPD7EYRFTHBEBU6J7XNENPK

not attested not anchored not stored refs pending

Did the Hilda collisional family form during the late heavy bombardment?

A. Morbidelli, D. Nesvorn\'y, D. Vokrouhlick\'y, M. Bro\v{z}, W.F. Bottke

arxiv:1109.1114 v1 · 2011-09-06 · 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{VK2CPD7EYRFTHBEBU6J7XNENPK}

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	2026-05-18T04:14:05.364944Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

aab4278fe4c44b338481a793fbb48d7a8e43c6d657996d54c187ae0bb6cde851

Aliases

arxiv: 1109.1114 · arxiv_version: 1109.1114v1 · doi: 10.48550/arxiv.1109.1114 · pith_short_12: VK2CPD7EYRFT · pith_short_16: VK2CPD7EYRFTHBEB · pith_short_8: VK2CPD7E

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/VK2CPD7EYRFTHBEBU6J7XNENPK \
  | 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: aab4278fe4c44b338481a793fbb48d7a8e43c6d657996d54c187ae0bb6cde851

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f301db970bd79585a0407d3e60f3b63373b69d75c0bc9de7e030d35ef22492dc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2011-09-06T08:44:53Z",
    "title_canon_sha256": "8c7dfe2c0614e1fb2b993061d23b08b1fc0c4a0ce19309798fa23d3e0451ac67"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.1114",
    "kind": "arxiv",
    "version": 1
  }
}