Pith Number

pith:35GQFE6C

pith:2016:35GQFE6CKJRUMB55CLCCEUBJEH

not attested not anchored not stored refs pending

A semi-Lagrangian algorithm in policy space for hybrid optimal control problems

Achille Sassi, Roberto Ferretti

arxiv:1608.00622 v1 · 2016-08-01 · math.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{35GQFE6CKJRUMB55CLCCEUBJEH}

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	2026-05-18T01:10:11.366742Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

df4d0293c252634607bd12c422502921cbc382156b40e81011569809570e1df7

Aliases

arxiv: 1608.00622 · arxiv_version: 1608.00622v1 · doi: 10.48550/arxiv.1608.00622 · pith_short_12: 35GQFE6CKJRU · pith_short_16: 35GQFE6CKJRUMB55 · pith_short_8: 35GQFE6C

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/35GQFE6CKJRUMB55CLCCEUBJEH \
  | 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: df4d0293c252634607bd12c422502921cbc382156b40e81011569809570e1df7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "47418f8231fb6d3179a7615ac6b54627df12fd83cf91424183eed76248c3fb96",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2016-08-01T21:21:55Z",
    "title_canon_sha256": "c0d94ff0b646a8fb0a2f4d21058d56b31df7f872593eae90e17a4073865b5ccf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1608.00622",
    "kind": "arxiv",
    "version": 1
  }
}