Pith Number

pith:7JPOSRQ3

pith:2013:7JPOSRQ3HHCVUN4Q2BUKBE3EOC

not attested not anchored not stored refs pending

Strong maximum principle for Schr\"odinger operators with singular potential

Augusto C. Ponce, Luigi Orsina

arxiv:1311.4856 v2 · 2013-11-19 · math.AP · math.FA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7JPOSRQ3HHCVUN4Q2BUKBE3EOC}

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	2026-05-18T00:47:59.620832Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fa5ee9461b39c55a3790d068a0936470bcc87a06f2dddf8e363dd34544a69f93

Aliases

arxiv: 1311.4856 · arxiv_version: 1311.4856v2 · doi: 10.48550/arxiv.1311.4856 · pith_short_12: 7JPOSRQ3HHCV · pith_short_16: 7JPOSRQ3HHCVUN4Q · pith_short_8: 7JPOSRQ3

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/7JPOSRQ3HHCVUN4Q2BUKBE3EOC \
  | 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: fa5ee9461b39c55a3790d068a0936470bcc87a06f2dddf8e363dd34544a69f93

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a6af6d426cc35bae0017bf1b51d5c58f25f877c978d26aec73774e6eca548a8f",
    "cross_cats_sorted": [
      "math.FA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2013-11-19T20:00:54Z",
    "title_canon_sha256": "8ea743954c3c1972156ae59f58576979e393bcf5f2982911a6136d2358585a48"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.4856",
    "kind": "arxiv",
    "version": 2
  }
}