Pith Number

pith:BTFQHF6G

pith:2017:BTFQHF6GUEWU3W4EAMYQO2JWOC

not attested not anchored not stored refs pending

Feedback optimal controllers for the Heston model

Chiara Benazzoli, Luca Di Persio, Viorel Barbu

arxiv:1703.09944 v2 · 2017-03-29 · 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{BTFQHF6GUEWU3W4EAMYQO2JWOC}

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	2026-05-18T00:17:24.376338Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0ccb0397c6a12d4ddb84033107693670976451435be9cc3e0c91a6c33e95dafd

Aliases

arxiv: 1703.09944 · arxiv_version: 1703.09944v2 · doi: 10.48550/arxiv.1703.09944 · pith_short_12: BTFQHF6GUEWU · pith_short_16: BTFQHF6GUEWU3W4E · pith_short_8: BTFQHF6G

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/BTFQHF6GUEWU3W4EAMYQO2JWOC \
  | 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: 0ccb0397c6a12d4ddb84033107693670976451435be9cc3e0c91a6c33e95dafd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7abff98df6903f5ee2b2119f7e29ef7126453da46e9d7c69e881ac64987ea566",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2017-03-29T09:24:02Z",
    "title_canon_sha256": "99759157a12f1143945167266f8dd587267fe1c3c7887da0d1afd7b8f0081d06"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.09944",
    "kind": "arxiv",
    "version": 2
  }
}