Pith Number

pith:QAPBTH56

pith:2022:QAPBTH56HYSN3NSXIOQLWVFAVH

not attested not anchored not stored refs pending

Approximation of the value function for optimal control problems on stratified domains

Fabio Camilli, Simone Cacace

arxiv:2207.06892 v1 · 2022-07-14 · math.OC · cs.NA · 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{QAPBTH56HYSN3NSXIOQLWVFAVH}

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	2026-07-05T04:40:18.737627Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

801e199fbe3e24ddb65743a0bb54a0a9f5371a786439f81e6d419a5446ec6807

Aliases

arxiv: 2207.06892 · arxiv_version: 2207.06892v1 · doi: 10.48550/arxiv.2207.06892 · pith_short_12: QAPBTH56HYSN · pith_short_16: QAPBTH56HYSN3NSX · pith_short_8: QAPBTH56

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/QAPBTH56HYSN3NSXIOQLWVFAVH \
  | 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: 801e199fbe3e24ddb65743a0bb54a0a9f5371a786439f81e6d419a5446ec6807

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "674d177c8bd0108b3a6a96a16554b6b55aef70cdd773725c30ae3e3972de47f4",
    "cross_cats_sorted": [
      "cs.NA",
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2022-07-14T13:23:27Z",
    "title_canon_sha256": "0c1c13e408905508ea13865b6c90eaa69f4e9b6e3ef9acde27e3594e88352d7f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2207.06892",
    "kind": "arxiv",
    "version": 1
  }
}