Pith Number

pith:ILO74PFM

pith:2023:ILO74PFMMWDD2FAW7STJAIT7AH

not attested not anchored not stored refs pending

A machine learning and feature engineering approach for the prediction of the uncontrolled re-entry of space objects

Camilla Colombo, Francesco Salmaso, Mirko Trisolini

arxiv:2303.10183 v1 · 2023-03-17 · cs.LG · astro-ph.EP · cs.CE · cs.NA · cs.NE · math.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{ILO74PFMMWDD2FAW7STJAIT7AH}

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	2026-07-05T05:52:29.269262Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

42ddfe3cac65863d1416fca690227f01ec0ed024e543f546169636e472c7935e

Aliases

arxiv: 2303.10183 · arxiv_version: 2303.10183v1 · doi: 10.48550/arxiv.2303.10183 · pith_short_12: ILO74PFMMWDD · pith_short_16: ILO74PFMMWDD2FAW · pith_short_8: ILO74PFM

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/ILO74PFMMWDD2FAW7STJAIT7AH \
  | 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: 42ddfe3cac65863d1416fca690227f01ec0ed024e543f546169636e472c7935e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c41744ef51a3f6be06f4e6fa3dab18edfbd9b1ddbdce58cbaf1bee7954734bbe",
    "cross_cats_sorted": [
      "astro-ph.EP",
      "cs.CE",
      "cs.NA",
      "cs.NE",
      "math.NA"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2023-03-17T13:53:59Z",
    "title_canon_sha256": "68b416b748ee4e8e7cfc2bf6fc7e1edc94d9da020f9c60148e30f109271c3fef"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2303.10183",
    "kind": "arxiv",
    "version": 1
  }
}