Pith Number

pith:Z6S5VEHD

pith:2015:Z6S5VEHDC4VZX37YQRJ7AWV436

not attested not anchored not stored refs pending

On the regularity of the solutions of Dirichlet optimal control problems in polygonal domains

Arnd R\"osch, Johannes Pfefferer, Mariano Mateos, Thomas Apel

arxiv:1505.00413 v2 · 2015-05-03 · 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{Z6S5VEHDC4VZX37YQRJ7AWV436}

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	2026-05-18T00:17:02.225289Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cfa5da90e3172b9beff88453f05abcdfaa1c8c89387353a0744b681e60e4637e

Aliases

arxiv: 1505.00413 · arxiv_version: 1505.00413v2 · doi: 10.48550/arxiv.1505.00413 · pith_short_12: Z6S5VEHDC4VZ · pith_short_16: Z6S5VEHDC4VZX37Y · pith_short_8: Z6S5VEHD

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/Z6S5VEHDC4VZX37YQRJ7AWV436 \
  | 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: cfa5da90e3172b9beff88453f05abcdfaa1c8c89387353a0744b681e60e4637e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e6a67788ccba25e798875e91b34ff3491bff16e77e86f97e49c694f31058d9ae",
    "cross_cats_sorted": [
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2015-05-03T09:51:51Z",
    "title_canon_sha256": "4ffb5a1dc29a7a603412bea9ad0c9c638b3e80fe135be222d2f673c90dab8949"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.00413",
    "kind": "arxiv",
    "version": 2
  }
}