Pith Number

pith:7WJQB4JE

pith:2017:7WJQB4JEAJLJ7CQYCMLRLJMIRA

not attested not anchored not stored refs pending

Homogeneous rank one perturbations and inverse square potentials

Jan Derezinski

arxiv:1709.06628 v1 · 2017-09-19 · math-ph · math.MP · math.SP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7WJQB4JEAJLJ7CQYCMLRLJMIRA}

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	2026-05-18T00:34:40.930333Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fd9300f12402569f8a18131715a588882613d5a0a28f9975a8c1dc7864f8e831

Aliases

arxiv: 1709.06628 · arxiv_version: 1709.06628v1 · doi: 10.48550/arxiv.1709.06628 · pith_short_12: 7WJQB4JEAJLJ · pith_short_16: 7WJQB4JEAJLJ7CQY · pith_short_8: 7WJQB4JE

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/7WJQB4JEAJLJ7CQYCMLRLJMIRA \
  | 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: fd9300f12402569f8a18131715a588882613d5a0a28f9975a8c1dc7864f8e831

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "24ac892111d2edd2f7208b5c8c21d22a5dbc0056106174bc7fd85d66dcadae38",
    "cross_cats_sorted": [
      "math.MP",
      "math.SP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2017-09-19T19:59:54Z",
    "title_canon_sha256": "449a3b3694f57fc2d63ed02a09fa724fee39535b96fdfefd0c4f31ebee86c303"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.06628",
    "kind": "arxiv",
    "version": 1
  }
}