Pith Number

pith:TEN5CYVS

pith:2026:TEN5CYVS4J45SAJQ6V3NHYE4RD

not attested not anchored not stored refs pending

Optimal Powered Descent Guidance with Pyramid-Shaped Approach-Angle Constraints

Revital Frenkel, Vitaly Shaferman

arxiv:2606.17280 v1 · 2026-06-15 · eess.SY · 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{TEN5CYVS4J45SAJQ6V3NHYE4RD}

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	2026-06-19T16:10:07.983888Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

991bd162b2e279d90130f576d3e09c88ca749ea85902ecd89b858736fac2be80

Aliases

arxiv: 2606.17280 · arxiv_version: 2606.17280v1 · doi: 10.48550/arxiv.2606.17280 · pith_short_12: TEN5CYVS4J45 · pith_short_16: TEN5CYVS4J45SAJQ · pith_short_8: TEN5CYVS

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/TEN5CYVS4J45SAJQ6V3NHYE4RD \
  | 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: 991bd162b2e279d90130f576d3e09c88ca749ea85902ecd89b858736fac2be80

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "74f441dd88ad28c6c61a4b3724db67a149e0cf0494194b25d9d923039a7a72ad",
    "cross_cats_sorted": [
      "cs.SY",
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SY",
    "submitted_at": "2026-06-15T20:42:17Z",
    "title_canon_sha256": "c95426aeea7f18e81c134527a56650f51670387f79e02495d6c49b5a7a13116a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.17280",
    "kind": "arxiv",
    "version": 1
  }
}