Pith Number

pith:QEVVTCJ4

pith:2012:QEVVTCJ4OCBZH3ZOAKT7LO5VXO

not attested not anchored not stored refs pending

Determining a magnetic Schr\"odinger operator with a continuous magnetic potential from boundary measurements

Gunther Uhlmann, Katsiaryna Krupchyk

arxiv:1205.1151 v1 · 2012-05-05 · math.AP · 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{QEVVTCJ4OCBZH3ZOAKT7LO5VXO}

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	2026-05-18T03:51:36.537884Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

812b59893c708393ef2e02a7f5bbb5bbb531d12bd284d2c542b02ad04f31d1d1

Aliases

arxiv: 1205.1151 · arxiv_version: 1205.1151v1 · doi: 10.48550/arxiv.1205.1151 · pith_short_12: QEVVTCJ4OCBZ · pith_short_16: QEVVTCJ4OCBZH3ZO · pith_short_8: QEVVTCJ4

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/QEVVTCJ4OCBZH3ZOAKT7LO5VXO \
  | 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: 812b59893c708393ef2e02a7f5bbb5bbb531d12bd284d2c542b02ad04f31d1d1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "50f986f379d7547001c9fb2d8a8bfba941bac7ed015ce0cb4d2c50fcdcf6bfc0",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2012-05-05T17:39:49Z",
    "title_canon_sha256": "a24a6a52d34929cfbc4f0e0b4708f94745abe7198b5262c3ca99b44ccdc75303"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.1151",
    "kind": "arxiv",
    "version": 1
  }
}