Pith Number

pith:4VIXFI3U

pith:2023:4VIXFI3U6FCEM47XVCHTYSSETJ

not attested not anchored not stored refs pending

Ill-posedness of time-dependent inverse problems in Lebesgue-Bochner spaces

Anne Wald, Martin Burger, Thomas Schuster

arxiv:2310.08600 v1 · 2023-10-06 · math.OC · cs.NA · math.AP · math.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4VIXFI3U6FCEM47XVCHTYSSETJ}

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	2026-07-05T07:00:30.675418Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e55172a374f1444673f7a88f3c4a449a45608dc01a739d22c6ce3c87daf59548

Aliases

arxiv: 2310.08600 · arxiv_version: 2310.08600v1 · doi: 10.48550/arxiv.2310.08600 · pith_short_12: 4VIXFI3U6FCE · pith_short_16: 4VIXFI3U6FCEM47X · pith_short_8: 4VIXFI3U

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/4VIXFI3U6FCEM47XVCHTYSSETJ \
  | 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: e55172a374f1444673f7a88f3c4a449a45608dc01a739d22c6ce3c87daf59548

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "31b338cb69981d20d969715f9699e82fe4fb4ecf5aafa026354a5357ca6bc175",
    "cross_cats_sorted": [
      "cs.NA",
      "math.AP",
      "math.NA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2023-10-06T21:22:04Z",
    "title_canon_sha256": "15c6e1f5a424eaa70b81b9c87f8c346860f8aa7a56d14f38051b4712dffaa25c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2310.08600",
    "kind": "arxiv",
    "version": 1
  }
}