Pith Number

pith:N7MQBBK2

pith:2018:N7MQBBK2EULHN6MX2MTQVFZ64D

not attested not anchored not stored refs pending

Error estimates for variational normal derivatives and Dirichlet control problems with energy regularization

Max Winkler

arxiv:1808.01171 v1 · 2018-08-03 · math.NA · math.AP · 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{N7MQBBK2EULHN6MX2MTQVFZ64D}

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.

Cited by

1 paper in Pith

Optimization of a partial differential equation on a complex network

Receipt and verification

First computed	2026-05-18T00:08:58.762244Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6fd900855a251676f997d3270a973ee0fe36cfbe0d2a3e36bcac3c33327928c1

Aliases

arxiv: 1808.01171 · arxiv_version: 1808.01171v1 · doi: 10.48550/arxiv.1808.01171 · pith_short_12: N7MQBBK2EULH · pith_short_16: N7MQBBK2EULHN6MX · pith_short_8: N7MQBBK2

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/N7MQBBK2EULHN6MX2MTQVFZ64D \
  | 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: 6fd900855a251676f997d3270a973ee0fe36cfbe0d2a3e36bcac3c33327928c1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ac6f4b2869e311bf7eb6b7257a52222f2a0e13db851874f39504a75750f99f4a",
    "cross_cats_sorted": [
      "math.AP",
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-08-03T12:11:12Z",
    "title_canon_sha256": "2caabd708f8ab9f0e7a6fb21eb9d37c8772d8daa252cfeeaf66b0c08c2233d99"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.01171",
    "kind": "arxiv",
    "version": 1
  }
}