Pith Number

pith:W6M7MMDJ

pith:2014:W6M7MMDJM34AOTE6OBGBA5YQN5

not attested not anchored not stored refs pending

Schr\"odinger operators with $\delta$-interactions supported on conical surfaces

Jussi Behrndt, Pavel Exner, Vladimir Lotoreichik

arxiv:1404.1764 v1 · 2014-04-07 · math.SP · 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{W6M7MMDJM34AOTE6OBGBA5YQN5}

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	2026-05-18T01:43:37.015788Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b799f6306966f8074c9e704c1077106f49dc066f45e1301748036cc1e6714dec

Aliases

arxiv: 1404.1764 · arxiv_version: 1404.1764v1 · doi: 10.48550/arxiv.1404.1764 · pith_short_12: W6M7MMDJM34A · pith_short_16: W6M7MMDJM34AOTE6 · pith_short_8: W6M7MMDJ

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/W6M7MMDJM34AOTE6OBGBA5YQN5 \
  | 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: b799f6306966f8074c9e704c1077106f49dc066f45e1301748036cc1e6714dec

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "57ab025f1bbf410ae7c62355335dafe3bbca646a3d00a647a4c25afa342e18b4",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.SP",
    "submitted_at": "2014-04-07T12:32:56Z",
    "title_canon_sha256": "7a1b2219fd0fa6bb326e2f127eb8f4b0e51e36b7c21292e01adbbf8236250078"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.1764",
    "kind": "arxiv",
    "version": 1
  }
}