Pith Number

pith:6M2WF7JH

pith:2019:6M2WF7JHPIJJXU5CNASYQ7FORA

not attested not anchored not stored refs pending

On The Solvability Complexity Index for Unbounded Selfadjoint Operators and Schr\"{o}dinger Operators

Frank R\"osler

arxiv:1902.11087 v1 · 2019-02-28 · 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{6M2WF7JHPIJJXU5CNASYQ7FORA}

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	2026-05-17T23:52:25.822492Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f33562fd277a129bd3a26825887cae8832856e4cb3e6457fb7b0e207d35cf7e8

Aliases

arxiv: 1902.11087 · arxiv_version: 1902.11087v1 · doi: 10.48550/arxiv.1902.11087 · pith_short_12: 6M2WF7JHPIJJ · pith_short_16: 6M2WF7JHPIJJXU5C · pith_short_8: 6M2WF7JH

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/6M2WF7JHPIJJXU5CNASYQ7FORA \
  | 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: f33562fd277a129bd3a26825887cae8832856e4cb3e6457fb7b0e207d35cf7e8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "99079744d65bb27625d78a0058e59304ba1ee55f5914f634c9b24c7b9d6416a1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.SP",
    "submitted_at": "2019-02-28T14:04:24Z",
    "title_canon_sha256": "49a66eb1e6bc14f5fc1df0eed23e5f78acfa25a4ee368bf9c14c5cfd475a4011"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.11087",
    "kind": "arxiv",
    "version": 1
  }
}