Pith Number

pith:NKMT5ZQC

pith:2009:NKMT5ZQC4LKM544HIPHQ6BEW2L

not attested not anchored not stored refs pending

Cometary Origin of the Zodiacal Cloud and Carbonaceous Micrometeorites

David Nesvorny, David Vokrouhlicky, Harold F. Levison, Peter Jenniskens, William F. Bottke

arxiv:0909.4322 v2 · 2009-09-23 · 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{NKMT5ZQC4LKM544HIPHQ6BEW2L}

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	2026-05-18T02:34:27.871080Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6a993ee602e2d4cef38743cf0f0496d2f0595b3798b4fb81bb84c471277a1bc8

Aliases

arxiv: 0909.4322 · arxiv_version: 0909.4322v2 · doi: 10.48550/arxiv.0909.4322 · pith_short_12: NKMT5ZQC4LKM · pith_short_16: NKMT5ZQC4LKM544H · pith_short_8: NKMT5ZQC

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/NKMT5ZQC4LKM544HIPHQ6BEW2L \
  | 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: 6a993ee602e2d4cef38743cf0f0496d2f0595b3798b4fb81bb84c471277a1bc8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "14c544154168f9f286120f6543c0491e487b0930145bdf4b507ee1eca560010f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2009-09-23T21:36:52Z",
    "title_canon_sha256": "e2fc68faddb12b73bd9fe7ea09ead58617bf2d6b3f34de8e7230e6f53ff2f38b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0909.4322",
    "kind": "arxiv",
    "version": 2
  }
}