Pith Number

pith:5RNG3AQ2

pith:2012:5RNG3AQ2YU5BICKOPLWAD7KELB

not attested not anchored not stored refs pending

Reduced-order model for electrical impedance tomography based on proper orthogonal decomposition

Aku Sepp\"anen, Antti Lipponen, Jari Kaipio

arxiv:1207.0914 v1 · 2012-07-04 · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5RNG3AQ2YU5BICKOPLWAD7KELB}

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	2026-05-18T03:51:48.057436Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ec5a6d821ac53a14094e7aec01fd4458628ca560ba32c3fd619592415eff9648

Aliases

arxiv: 1207.0914 · arxiv_version: 1207.0914v1 · doi: 10.48550/arxiv.1207.0914 · pith_short_12: 5RNG3AQ2YU5B · pith_short_16: 5RNG3AQ2YU5BICKO · pith_short_8: 5RNG3AQ2

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/5RNG3AQ2YU5BICKOPLWAD7KELB \
  | 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: ec5a6d821ac53a14094e7aec01fd4458628ca560ba32c3fd619592415eff9648

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2662bab5e7a4d033e21cb6c2022dbefc03802ba474d14a5077affd4539b6c1e2",
    "cross_cats_sorted": [
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2012-07-04T06:58:21Z",
    "title_canon_sha256": "0dbd500bdc44f2254c02a764e7e45d761b0fcc86423101a0472e2792f30df9c8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.0914",
    "kind": "arxiv",
    "version": 1
  }
}