Pith Number

pith:CI3XVY35

pith:2019:CI3XVY35KNZSEXA6KBJS3FT5QE

not attested not anchored not stored refs pending

The Dirichlet-to-Neumann map in a disk with a one-step radial potential. An analytical and numerical study

Carlos Castro, Juan A. Barcel\'o, Sagrario Lantar\'on, Susana Merch\'an

arxiv:1903.09428 v1 · 2019-03-22 · 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{CI3XVY35KNZSEXA6KBJS3FT5QE}

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	2026-05-17T23:50:39.657167Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

12377ae37d5373225c1e50532d967d81272fc30aeedfab3410da351a7d3be693

Aliases

arxiv: 1903.09428 · arxiv_version: 1903.09428v1 · doi: 10.48550/arxiv.1903.09428 · pith_short_12: CI3XVY35KNZS · pith_short_16: CI3XVY35KNZSEXA6 · pith_short_8: CI3XVY35

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/CI3XVY35KNZSEXA6KBJS3FT5QE \
  | 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: 12377ae37d5373225c1e50532d967d81272fc30aeedfab3410da351a7d3be693

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "78b4a0f8547a9563c006095b92389d4da1cc960135f66fceca304231d4d37912",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2019-03-22T10:00:23Z",
    "title_canon_sha256": "4d8dcf14e4050e3286cd186e7b007f7e21923b9ad9505660a56726b35cebb36e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.09428",
    "kind": "arxiv",
    "version": 1
  }
}