Pith Number

pith:QH6VKUOL

pith:2017:QH6VKUOLHDACJCQVBHUENPDKXV

not attested not anchored not stored refs pending

Stability estimates for partial data inverse problems for Schr\"odinger operators in the high frequency limit

Gunther Uhlmann, Katya Krupchyk

arxiv:1712.06200 v2 · 2017-12-17 · 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{QH6VKUOLHDACJCQVBHUENPDKXV}

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	2026-05-17T23:40:04.645518Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

81fd5551cb38c0248a1509e846bc6abd68eb083fb36b37dec55c60099a6f07e2

Aliases

arxiv: 1712.06200 · arxiv_version: 1712.06200v2 · doi: 10.48550/arxiv.1712.06200 · pith_short_12: QH6VKUOLHDAC · pith_short_16: QH6VKUOLHDACJCQV · pith_short_8: QH6VKUOL

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/QH6VKUOLHDACJCQVBHUENPDKXV \
  | 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: 81fd5551cb38c0248a1509e846bc6abd68eb083fb36b37dec55c60099a6f07e2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7ff5a0cb1529c5848b72adbf41253bc059e98780c10aeb209f424a292d6b561e",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2017-12-17T22:52:16Z",
    "title_canon_sha256": "7bd8d4a183fb847fa08f135305398c585ef1c0fd9e4952bc0e79d99364205a49"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.06200",
    "kind": "arxiv",
    "version": 2
  }
}