Pith Number

pith:6ZQEAP6T

pith:2025:6ZQEAP6TPGZ43X4LUZUHKA2PRI

not attested not anchored not stored refs pending

Probability of Collision with Tethered Spacecraft

Aldo Tonnini, Emmanuel Delande, Francois Laporte, Francois Vinet, Joan-Pau Sanchez, Manuel Sanjurjo-Rivo, Yema Paul

arxiv:2506.04969 v1 · 2025-06-05 · math.NA · cs.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6ZQEAP6TPGZ43X4LUZUHKA2PRI}

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	2026-07-05T11:16:39.905845Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f660403fd379b3cddf8ba66875034f8a153ca48d0cd4a28aeccd6a787b342b6f

Aliases

arxiv: 2506.04969 · arxiv_version: 2506.04969v1 · doi: 10.48550/arxiv.2506.04969 · pith_short_12: 6ZQEAP6TPGZ4 · pith_short_16: 6ZQEAP6TPGZ43X4L · pith_short_8: 6ZQEAP6T

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/6ZQEAP6TPGZ43X4LUZUHKA2PRI \
  | 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: f660403fd379b3cddf8ba66875034f8a153ca48d0cd4a28aeccd6a787b342b6f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bcd80d299e4de65035eef6bb96c1679d64f4d062a244e66b07808f4827f5a957",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2025-06-05T12:43:05Z",
    "title_canon_sha256": "a9054db4ae4e5ebbebc75be9641e7ed06aaad7a6e0aade043f1f9fd6f323c32c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2506.04969",
    "kind": "arxiv",
    "version": 1
  }
}