Pith Number

pith:BPUWKFYL

pith:2018:BPUWKFYLT2JOKS3HUBHMTEMSW4

not attested not anchored not stored refs pending

Operators with Wentzell boundary conditions and the Dirichlet-to-Neumann operator

Klaus-Jochen Engel, Tim Binz

arxiv:1801.05261 v2 · 2018-01-16 · math.FA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BPUWKFYLT2JOKS3HUBHMTEMSW4}

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	2026-05-17T23:59:53.324872Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0be965170b9e92e54b67a04ec99192b70d980abd48281c3bbf53ae5f365fc013

Aliases

arxiv: 1801.05261 · arxiv_version: 1801.05261v2 · doi: 10.48550/arxiv.1801.05261 · pith_short_12: BPUWKFYLT2JO · pith_short_16: BPUWKFYLT2JOKS3H · pith_short_8: BPUWKFYL

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/BPUWKFYLT2JOKS3HUBHMTEMSW4 \
  | 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: 0be965170b9e92e54b67a04ec99192b70d980abd48281c3bbf53ae5f365fc013

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eaf9143226f912f8de382b91ec051c7de198b4354c29b9568ab92fe2d753ebac",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2018-01-16T14:06:01Z",
    "title_canon_sha256": "13cba20ebde7f63a48622b61c60b3917a993e86dc791752bdd5525892baaf5a3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.05261",
    "kind": "arxiv",
    "version": 2
  }
}