Pith Number

pith:43UHRHOG

pith:2014:43UHRHOGJGAIL3CO7Y6JSVH54M

not attested not anchored not stored refs pending

A new approach to improve ill-conditioned parabolic optimal control problem via time domain decomposition

Mohamed Kamel Riahi

arxiv:1403.7254 v2 · 2014-03-28 · 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{43UHRHOGJGAIL3CO7Y6JSVH54M}

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	2026-05-18T02:29:25.076486Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e6e8789dc6498085ec4efe3c9954fde324d4d5c30e18f9f632254e6c8a08e594

Aliases

arxiv: 1403.7254 · arxiv_version: 1403.7254v2 · doi: 10.48550/arxiv.1403.7254 · pith_short_12: 43UHRHOGJGAI · pith_short_16: 43UHRHOGJGAIL3CO · pith_short_8: 43UHRHOG

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/43UHRHOGJGAIL3CO7Y6JSVH54M \
  | 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: e6e8789dc6498085ec4efe3c9954fde324d4d5c30e18f9f632254e6c8a08e594

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2132d162f14609744c163dd49b4bacf5e2387461d03ae9c6fd1d4bb5be2113d8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2014-03-28T00:26:17Z",
    "title_canon_sha256": "5e2992ffe2fab8313dadc9a03b81901dce55c2d677c15f5a823a20a799a338d0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1403.7254",
    "kind": "arxiv",
    "version": 2
  }
}