Pith Number

pith:GI4TSTMZ

pith:2021:GI4TSTMZZ7VQHQL6B2PF55DFMT

not attested not anchored not stored refs pending

Mumford-Shah regularization in electrical impedance tomography with complete electrode model

Aku Sepp\"anen, Jyrki Jauhiainen, Tuomo Valkonen

arxiv:2110.15697 v4 · 2021-10-29 · math.OC · math.AP

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Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GI4TSTMZZ7VQHQL6B2PF55DFMT}

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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	2026-07-05T04:25:34.903454Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3239394d99cfeb03c17e0e9e5ef46564e4c6a92c8d8fd5c97b0f6d0b89413dee

Aliases

arxiv: 2110.15697 · arxiv_version: 2110.15697v4 · doi: 10.48550/arxiv.2110.15697 · pith_short_12: GI4TSTMZZ7VQ · pith_short_16: GI4TSTMZZ7VQHQL6 · pith_short_8: GI4TSTMZ

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/GI4TSTMZZ7VQHQL6B2PF55DFMT \
  | 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: 3239394d99cfeb03c17e0e9e5ef46564e4c6a92c8d8fd5c97b0f6d0b89413dee

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d29f265697bd8168664f852632c3b441cf5bc183ac7916a409f4dbe9083303e4",
    "cross_cats_sorted": [
      "math.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2021-10-29T11:49:14Z",
    "title_canon_sha256": "595c60e7931d98cdd06b5f9ae6248e14d8ba6163f11a4d949d6047da8cd16a89"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2110.15697",
    "kind": "arxiv",
    "version": 4
  }
}