Pith Number

pith:H4DNRP3V

pith:2011:H4DNRP3VJZJIF7JUTRZGDMIQYE

not attested not anchored not stored refs pending

Multiple Space Debris Collecting Mission - Debris selection and Trajectory optimization

Max Cerf

arxiv:1107.0192 v1 · 2011-07-01 · cs.SY · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{H4DNRP3VJZJIF7JUTRZGDMIQYE}

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	2026-05-18T04:18:55.149048Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3f06d8bf754e5282fd349c7261b110c120a29a465ba39bb7ddc94df1ae19f506

Aliases

arxiv: 1107.0192 · arxiv_version: 1107.0192v1 · doi: 10.48550/arxiv.1107.0192 · pith_short_12: H4DNRP3VJZJI · pith_short_16: H4DNRP3VJZJIF7JU · pith_short_8: H4DNRP3V

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/H4DNRP3VJZJIF7JUTRZGDMIQYE \
  | 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: 3f06d8bf754e5282fd349c7261b110c120a29a465ba39bb7ddc94df1ae19f506

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5ee00aad05a8d61252ef3dd56c3acb986c3d7c433083dbfc0a044388eb08a5a9",
    "cross_cats_sorted": [
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SY",
    "submitted_at": "2011-07-01T10:56:10Z",
    "title_canon_sha256": "27c8fcce4971cbeba1aad0d70096e519b6e641b3a890318f048ca2d035e9f144"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1107.0192",
    "kind": "arxiv",
    "version": 1
  }
}