Pith Number

pith:UHVRSASM

pith:2018:UHVRSASM7M53EK3DY47QP6NDIW

not attested not anchored not stored refs pending

Mass-jump and mass-bump boundary conditions for singular self-adjoint extensions of the Schr\"odinger operator in one dimension

Dmitry Panchenko, Vladimir Kulinskii

arxiv:1805.11136 v1 · 2018-05-28 · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UHVRSASM7M53EK3DY47QP6NDIW}

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	2026-05-17T23:47:20.886023Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a1eb19024cfb3bb22b63c73f07f9a3459381358067ca9cecafa01f2c52b7f3c3

Aliases

arxiv: 1805.11136 · arxiv_version: 1805.11136v1 · doi: 10.48550/arxiv.1805.11136 · pith_short_12: UHVRSASM7M53 · pith_short_16: UHVRSASM7M53EK3D · pith_short_8: UHVRSASM

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/UHVRSASM7M53EK3DY47QP6NDIW \
  | 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: a1eb19024cfb3bb22b63c73f07f9a3459381358067ca9cecafa01f2c52b7f3c3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d402ed1c82abaa124225ce4a4873346d4f51e452934e4f8e971a5fd8077f6fce",
    "cross_cats_sorted": [
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2018-05-28T19:14:15Z",
    "title_canon_sha256": "715e49d93d3cda8100fd0cd6bf7c3fe0ad3c8369612a9fc9b6709f33ae340673"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.11136",
    "kind": "arxiv",
    "version": 1
  }
}