Pith Number

pith:HB7F4DEJ

pith:2012:HB7F4DEJRGL7APDFVT7NLIWQN3

not attested not anchored not stored refs pending

Lipschitz stability of an inverse boundary value problem for a Schr\"{o}dinger type equation

Elena Beretta, Lingyun Qiu, Maarten V. de Hoop

arxiv:1203.1650 v2 · 2012-03-07 · math.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HB7F4DEJRGL7APDFVT7NLIWQN3}

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	2026-05-18T03:39:51.067985Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

387e5e0c898997f03c65acfed5a2d06ed8f07924964a6117ece89a9f6ad8316c

Aliases

arxiv: 1203.1650 · arxiv_version: 1203.1650v2 · doi: 10.48550/arxiv.1203.1650 · pith_short_12: HB7F4DEJRGL7 · pith_short_16: HB7F4DEJRGL7APDF · pith_short_8: HB7F4DEJ

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/HB7F4DEJRGL7APDFVT7NLIWQN3 \
  | 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: 387e5e0c898997f03c65acfed5a2d06ed8f07924964a6117ece89a9f6ad8316c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d26b14ab7a16c11383f3039445ff13538e35a47bd9768eb369e3cf7689a74bdd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2012-03-07T22:31:26Z",
    "title_canon_sha256": "b36b91255d686671b7be89386d0b3306d18240b2d3a013fb131b6ea103cfafc4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.1650",
    "kind": "arxiv",
    "version": 2
  }
}