Pith Number

pith:BQ6UHSIC

pith:2018:BQ6UHSICBTURGHR6BQSEVXM4WL

not attested not anchored not stored refs pending

Point-like perturbed fractional Laplacians through shrinking potentials of finite range

Alessandro Michelangeli, Raffaele Scandone

arxiv:1803.10191 v2 · 2018-03-27 · math.FA · 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{BQ6UHSICBTURGHR6BQSEVXM4WL}

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	2026-05-18T00:19:32.630995Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0c3d43c9020ce9131e3e0c244add9cb2d94ac925a631825b8586b0fd4dbbdd5c

Aliases

arxiv: 1803.10191 · arxiv_version: 1803.10191v2 · doi: 10.48550/arxiv.1803.10191 · pith_short_12: BQ6UHSICBTUR · pith_short_16: BQ6UHSICBTURGHR6 · pith_short_8: BQ6UHSIC

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/BQ6UHSICBTURGHR6BQSEVXM4WL \
  | 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: 0c3d43c9020ce9131e3e0c244add9cb2d94ac925a631825b8586b0fd4dbbdd5c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f236aae5ffe558614192d1ae87d31c1407ce729f1434a09a3d6476667ba895e7",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2018-03-27T17:25:02Z",
    "title_canon_sha256": "4a28ae82f2c6c1c444deac7cc8bc664a5b4c274fafc57ebee210b9c71c0c0a89"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.10191",
    "kind": "arxiv",
    "version": 2
  }
}