Pith Number

pith:HK36KLHL

pith:2019:HK36KLHLAE3ZK657OVFITMJWKR

not attested not anchored not stored refs pending

Jordan chains of elliptic partial differential operators and Dirichlet-to-Neumann maps

A.F.M. ter Elst, J. Behrndt

arxiv:1905.12041 v1 · 2019-05-28 · math.SP · math.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HK36KLHLAE3ZK657OVFITMJWKR}

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	2026-05-17T23:44:49.148814Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3ab7e52ceb0137957bbf754a89b13654664cac3df543b1b373f82b862433a904

Aliases

arxiv: 1905.12041 · arxiv_version: 1905.12041v1 · doi: 10.48550/arxiv.1905.12041 · pith_short_12: HK36KLHLAE3Z · pith_short_16: HK36KLHLAE3ZK657 · pith_short_8: HK36KLHL

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/HK36KLHLAE3ZK657OVFITMJWKR \
  | 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: 3ab7e52ceb0137957bbf754a89b13654664cac3df543b1b373f82b862433a904

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "baeebac9e9e852a1ec73205beba8385ec75cf49e2276bbf910e06247637e31cb",
    "cross_cats_sorted": [
      "math.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.SP",
    "submitted_at": "2019-05-28T19:26:04Z",
    "title_canon_sha256": "7b744d3f64a43c2835aaf51593b26484814c55b580d7b8106483bd83983f8f3e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.12041",
    "kind": "arxiv",
    "version": 1
  }
}