Pith Number

pith:OANAD76P

pith:2017:OANAD76PAHY2QTWKA7WGR66ER4

not attested not anchored not stored refs pending

Sparse optimal control for fractional diffusion

Abner J. Salgado, Enrique Ot\'arola

arxiv:1704.01058 v1 · 2017-04-04 · math.NA · 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{OANAD76PAHY2QTWKA7WGR66ER4}

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	2026-05-18T00:47:16.325208Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

701a01ffcf01f1a84eca07ec68fbc48f1772558d7b0e8d209085269f497695d9

Aliases

arxiv: 1704.01058 · arxiv_version: 1704.01058v1 · doi: 10.48550/arxiv.1704.01058 · pith_short_12: OANAD76PAHY2 · pith_short_16: OANAD76PAHY2QTWK · pith_short_8: OANAD76P

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/OANAD76PAHY2QTWKA7WGR66ER4 \
  | 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: 701a01ffcf01f1a84eca07ec68fbc48f1772558d7b0e8d209085269f497695d9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1122213a32428eac396a2c88e3026c47e020fb19ecb452cb78e6040acb255c7e",
    "cross_cats_sorted": [
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2017-04-04T15:32:03Z",
    "title_canon_sha256": "0da9f5bb190464c8a309396f7608b359ca4881b63134a6e66dd26b38263c4c20"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.01058",
    "kind": "arxiv",
    "version": 1
  }
}