Pith Number

pith:UQKNWUJ2

pith:2015:UQKNWUJ2AL4PLFXG4YJO225QIY

not attested not anchored not stored refs pending

Optimal control of two coupled spinning particles in the Euler-Lagrange picture

A. Ibort, M. Delgado-T\'ellez, R. Salmoni, T. Rodr\'iguez de la Pe\~na

arxiv:1510.08133 v1 · 2015-10-27 · 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{UQKNWUJ2AL4PLFXG4YJO225QIY}

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	2026-05-18T01:22:33.646871Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a414db513a02f8f596e6e612ed6bb0463c97aaa0b305ca81644a14bf6a2fa33b

Aliases

arxiv: 1510.08133 · arxiv_version: 1510.08133v1 · doi: 10.48550/arxiv.1510.08133 · pith_short_12: UQKNWUJ2AL4P · pith_short_16: UQKNWUJ2AL4PLFXG · pith_short_8: UQKNWUJ2

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/UQKNWUJ2AL4PLFXG4YJO225QIY \
  | 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: a414db513a02f8f596e6e612ed6bb0463c97aaa0b305ca81644a14bf6a2fa33b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "884079d906dacbdf2f65c048a7702b488d680548866428c056a46a12e41674f6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2015-10-27T23:43:18Z",
    "title_canon_sha256": "4fa411d82f71d4ca549460d50b78a9d753efa7bc25f82c4dac1837ea9d9f617f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.08133",
    "kind": "arxiv",
    "version": 1
  }
}