Pith Number

pith:PQRRUKYN

pith:2019:PQRRUKYNCWBCZ3GD5TPVZS2CTZ

not attested not anchored not stored refs pending

A Discussion on the Algorithm Design of Electrical Impedance Tomography for Biomedical Applications

Hongyu Zhu, Mingyong Zhou

arxiv:1901.07455 v1 · 2019-01-14 · eess.SP · 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{PQRRUKYNCWBCZ3GD5TPVZS2CTZ}

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	2026-05-17T23:55:44.746570Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7c231a2b0d15822cecc3ecdf5ccb429e613eae207a6000dcc077e4d985a49d25

Aliases

arxiv: 1901.07455 · arxiv_version: 1901.07455v1 · doi: 10.48550/arxiv.1901.07455 · pith_short_12: PQRRUKYNCWBC · pith_short_16: PQRRUKYNCWBCZ3GD · pith_short_8: PQRRUKYN

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/PQRRUKYNCWBCZ3GD5TPVZS2CTZ \
  | 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: 7c231a2b0d15822cecc3ecdf5ccb429e613eae207a6000dcc077e4d985a49d25

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "713f74b31d42483bdd0eb07447e7adcc1364e608f8e9cc200d3bd2cc4200caa7",
    "cross_cats_sorted": [
      "q-bio.QM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2019-01-14T07:26:27Z",
    "title_canon_sha256": "f80ef409fa1ce44a1f315864fc1cf0363a0170b63a7aad465aad0e37ef5f8224"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.07455",
    "kind": "arxiv",
    "version": 1
  }
}