Pith Number

pith:OFE444JH

pith:2025:OFE444JHQ7P4TUZKTSV4W4AH7W

not attested not anchored not stored refs pending

A convex variational principle for the necessary conditions of classical optimal control

Amit Acharya, Janusz Ginster

arxiv:2502.15973 v2 · 2025-02-21 · math.OC · cs.SY · eess.SY · math.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OFE444JHQ7P4TUZKTSV4W4AH7W}

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.

Cited by

1 paper in Pith

A new perspective in linear Cauchy Elasticity: variational minimum principles for statics, dynamics, and heterogeneous materials

Receipt and verification

First computed	2026-07-05T11:20:09.993885Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7149ce712787dfc9d32a9cabcb7007fd8c0c5056d73716bd98d5807f19a10da0

Aliases

arxiv: 2502.15973 · arxiv_version: 2502.15973v2 · doi: 10.48550/arxiv.2502.15973 · pith_short_12: OFE444JHQ7P4 · pith_short_16: OFE444JHQ7P4TUZK · pith_short_8: OFE444JH

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/OFE444JHQ7P4TUZKTSV4W4AH7W \
  | 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: 7149ce712787dfc9d32a9cabcb7007fd8c0c5056d73716bd98d5807f19a10da0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3e8ae9741ac2fbbce644de232a40818ce588d49e06dd67096c29085df405e232",
    "cross_cats_sorted": [
      "cs.SY",
      "eess.SY",
      "math.DS"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2025-02-21T22:21:18Z",
    "title_canon_sha256": "2647f313a69b6f20b5f84063e8ab2e2b47c17fc6a8e2c62cbe8f7ae64c6f21f3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.15973",
    "kind": "arxiv",
    "version": 2
  }
}