Pith Number

pith:SFTTP2GU

pith:2020:SFTTP2GU6T5JMZGE4G4DRDRSO2

not attested not anchored not stored refs pending

Self-Adjoint extensions of the one-dimensional Schr\"odinger operator with symmetric potential

Atsushi Higuchi, David Serrano Blanco

arxiv:2005.10774 v1 · 2020-05-21 · 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{SFTTP2GU6T5JMZGE4G4DRDRSO2}

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	2026-07-05T01:04:57.256741Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

916737e8d4f4fa9664c4e1b8388e32768461e216a900c15817600013cb29b091

Aliases

arxiv: 2005.10774 · arxiv_version: 2005.10774v1 · doi: 10.48550/arxiv.2005.10774 · pith_short_12: SFTTP2GU6T5J · pith_short_16: SFTTP2GU6T5JMZGE · pith_short_8: SFTTP2GU

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/SFTTP2GU6T5JMZGE4G4DRDRSO2 \
  | 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: 916737e8d4f4fa9664c4e1b8388e32768461e216a900c15817600013cb29b091

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7aadfca970dffac04e2573af3105510215f6bb7c03ba5a9111aa2a541f92871c",
    "cross_cats_sorted": [
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2020-05-21T16:51:51Z",
    "title_canon_sha256": "7fab9aa86b8b1373d684d04d9f114fc62923e57af92562a4a1c36328b8eac528"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2005.10774",
    "kind": "arxiv",
    "version": 1
  }
}