Pith Number

pith:VIIG2QBI

pith:2017:VIIG2QBI6DGGLAKRHRIQED24ZL

not attested not anchored not stored refs pending

Self-Adjoint Extensions for the Dirac Operator with Coulomb-Type Spherically Symmetric Potentials

Biagio Cassano, Fabio Pizzichillo

arxiv:1710.08200 v2 · 2017-10-23 · 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{VIIG2QBI6DGGLAKRHRIQED24ZL}

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	2026-05-18T00:15:20.436895Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

aa106d4028f0cc6581513c51020f5ccad27b9bfa28c59f524ef8a66c7293adfa

Aliases

arxiv: 1710.08200 · arxiv_version: 1710.08200v2 · doi: 10.48550/arxiv.1710.08200 · pith_short_12: VIIG2QBI6DGG · pith_short_16: VIIG2QBI6DGGLAKR · pith_short_8: VIIG2QBI

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/VIIG2QBI6DGGLAKRHRIQED24ZL \
  | 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: aa106d4028f0cc6581513c51020f5ccad27b9bfa28c59f524ef8a66c7293adfa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3bb154818304dea43d90dd0e8c9459795c7e62e5738bb760f6fcc52f927abd76",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2017-10-23T11:07:29Z",
    "title_canon_sha256": "c27d261ed391578ac7711de68a9eaa6697d644b2256547ea6f836ec5d7adcfa4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1710.08200",
    "kind": "arxiv",
    "version": 2
  }
}