Pith Number

pith:E6UCLT7J

pith:2011:E6UCLT7J2TPYLYZDUVYAKAQYIQ

not attested not anchored not stored refs pending

The inverse problem of the Schr\"odinger equation in the plane; A dissection of Bukhgeim's result

Eemeli Bl{\aa}sten

arxiv:1103.6200 v1 · 2011-03-31 · math.AP · math.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{E6UCLT7J2TPYLYZDUVYAKAQYIQ}

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	2026-05-18T04:25:13.748931Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

27a825cfe9d4df85e323a570050218441055aacdd55316e42f95bf0499ae3f2d

Aliases

arxiv: 1103.6200 · arxiv_version: 1103.6200v1 · doi: 10.48550/arxiv.1103.6200 · pith_short_12: E6UCLT7J2TPY · pith_short_16: E6UCLT7J2TPYLYZD · pith_short_8: E6UCLT7J

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/E6UCLT7J2TPYLYZDUVYAKAQYIQ \
  | 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: 27a825cfe9d4df85e323a570050218441055aacdd55316e42f95bf0499ae3f2d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "82f1dafeeb908db6f279e9dd8fe6cb2ba0fb7d3f267823e20143bb8706022bf1",
    "cross_cats_sorted": [
      "math.CV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2011-03-31T14:50:11Z",
    "title_canon_sha256": "2e53b1623bc0b13a8ff37e6c67c68fc791c2782be6a5365dc7fb0fd88c262e5e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1103.6200",
    "kind": "arxiv",
    "version": 1
  }
}