Pith Number

pith:3AAZFNG3

pith:2017:3AAZFNG3A2EUW3CEVFOTV5NO4B

not attested not anchored not stored refs pending

A Fidelity-embedded Regularization Method for Robust Electrical Impedance Tomography

Eung Je Woo, Jin Keun Seo, Kyounghun Lee

arxiv:1703.01821 v1 · 2017-03-06 · math.AP · q-bio.QM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3AAZFNG3A2EUW3CEVFOTV5NO4B}

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	2026-05-18T00:49:29.598421Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d80192b4db06894b6c44a95d3af5aee074683319406c73a8a956dfe2ba46a0ce

Aliases

arxiv: 1703.01821 · arxiv_version: 1703.01821v1 · doi: 10.48550/arxiv.1703.01821 · pith_short_12: 3AAZFNG3A2EU · pith_short_16: 3AAZFNG3A2EUW3CE · pith_short_8: 3AAZFNG3

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/3AAZFNG3A2EUW3CEVFOTV5NO4B \
  | 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: d80192b4db06894b6c44a95d3af5aee074683319406c73a8a956dfe2ba46a0ce

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2da1f2981891fad5da0274e93a4759cec8df341259c0bcf7d4552910cfed7a9e",
    "cross_cats_sorted": [
      "q-bio.QM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2017-03-06T11:48:58Z",
    "title_canon_sha256": "f82d39f012de9c0b3a5839b0b44a3459a65c4855fb71f1bbddcd01220356ab5d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.01821",
    "kind": "arxiv",
    "version": 1
  }
}