Pith Number

pith:YJ4JGEFG

pith:2021:YJ4JGEFGBIBWICXRU4SYRGEFPM

not attested not anchored not stored refs pending

The Calder\'{o}n problem for nonlocal operators

Gunther Uhlmann, Tuhin Ghosh

arxiv:2110.09265 v1 · 2021-10-18 · 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{YJ4JGEFGBIBWICXRU4SYRGEFPM}

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.

Cited by

2 papers in Pith

An inverse problem for fractional random walks on finite graphs

On the transfer of stability from the local to the fractional anisotropic Calder\'on problem with exterior measurements

Receipt and verification

First computed	2026-07-05T03:23:26.230424Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c2789310a60a03640af1a7258898857b14e0a23d4d52bd5d2a7c917c196323f4

Aliases

arxiv: 2110.09265 · arxiv_version: 2110.09265v1 · doi: 10.48550/arxiv.2110.09265 · pith_short_12: YJ4JGEFGBIBW · pith_short_16: YJ4JGEFGBIBWICXR · pith_short_8: YJ4JGEFG

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/YJ4JGEFGBIBWICXRU4SYRGEFPM \
  | 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: c2789310a60a03640af1a7258898857b14e0a23d4d52bd5d2a7c917c196323f4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e0615ba09dcbebf41db6d4546b735b4e30a1204871b5822f057f970f854d0d22",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2021-10-18T13:08:31Z",
    "title_canon_sha256": "4dd4327e591f9d8efca8e4c4bd3aafe52979b2a6140f9657708452781f6b605e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2110.09265",
    "kind": "arxiv",
    "version": 1
  }
}