Pith Number

pith:RZKOUZG3

pith:2026:RZKOUZG3FEYWIY3U4GTXTZ6T3T

not attested not anchored not stored refs pending

Clustering SPH Debris into N-body Fragments: A Collisional Code for Planet Formation

Ian Dobbs-Dixon, Mohamad Ali-Dib, Samuele Crespi

arxiv:2606.17348 v1 · 2026-06-15 · astro-ph.EP · astro-ph.IM

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RZKOUZG3FEYWIY3U4GTXTZ6T3T}

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	2026-06-19T16:10:09.847078Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8e54ea64db2931646374e1a779e7d3dcd06c18ad8adb27ce2e8628633cbb9916

Aliases

arxiv: 2606.17348 · arxiv_version: 2606.17348v1 · doi: 10.48550/arxiv.2606.17348 · pith_short_12: RZKOUZG3FEYW · pith_short_16: RZKOUZG3FEYWIY3U · pith_short_8: RZKOUZG3

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/RZKOUZG3FEYWIY3U4GTXTZ6T3T \
  | 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: 8e54ea64db2931646374e1a779e7d3dcd06c18ad8adb27ce2e8628633cbb9916

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "820f02560bc11481bbb5c6f6951ebdc42fc4a20a188cf91a17fa48eaea172ff7",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2026-06-15T22:50:50Z",
    "title_canon_sha256": "88181a949b882f3bf02f6b7c8ddb3318b3575cb784702df9a0508843159fe935"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.17348",
    "kind": "arxiv",
    "version": 1
  }
}