Pith Number

pith:HFVVRZPE

pith:2021:HFVVRZPEFXVQZLLCJPREFPC7QZ

not attested not anchored not stored refs pending

Sensitivity Analysis for Optimizing Electrical Impedance Tomography Protocols

Can Aygen, Charles Costakis, Chulin Wang, Claire Onsager, Lauren Lang, Matthew A. Grayson, Suzan van der Lee

arxiv:2111.01397 v2 · 2021-11-02 · physics.med-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HFVVRZPEFXVQZLLCJPREFPC7QZ}

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	2026-07-05T03:33:09.267271Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

396b58e5e42deb0cad624be242bc5f867101bd933cb4a9a0219bdbc10c852f45

Aliases

arxiv: 2111.01397 · arxiv_version: 2111.01397v2 · doi: 10.48550/arxiv.2111.01397 · pith_short_12: HFVVRZPEFXVQ · pith_short_16: HFVVRZPEFXVQZLLC · pith_short_8: HFVVRZPE

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/HFVVRZPEFXVQZLLCJPREFPC7QZ \
  | 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: 396b58e5e42deb0cad624be242bc5f867101bd933cb4a9a0219bdbc10c852f45

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b90da6d00d71635276e0b3f666835c7779736663130bf16167ef569920f1573b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.med-ph",
    "submitted_at": "2021-11-02T07:15:38Z",
    "title_canon_sha256": "91593f9d1c11bf7192bd87dfa0c67f424e90ac54ba64126300e7149f9db9c1ca"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2111.01397",
    "kind": "arxiv",
    "version": 2
  }
}