Pith Number

pith:SQPL3Z6M

pith:2013:SQPL3Z6MHF5CDMGVXO7OTMI7ND

not attested not anchored not stored refs pending

Boundary element method and simulated annealing algorithm applied to electrical impedance tomography image reconstruction

Alexandre Souto Martinez, Olavo Henrique Menin, Vanessa Rolnik

arxiv:1302.5397 v1 · 2013-02-21 · physics.ed-ph · 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{SQPL3Z6MHF5CDMGVXO7OTMI7ND}

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	2026-05-18T03:32:57.768222Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

941ebde7cc397a21b0d5bbbee9b11f68d03c61a0ac1359ca0fe595f353c6095c

Aliases

arxiv: 1302.5397 · arxiv_version: 1302.5397v1 · doi: 10.48550/arxiv.1302.5397 · pith_short_12: SQPL3Z6MHF5C · pith_short_16: SQPL3Z6MHF5CDMGV · pith_short_8: SQPL3Z6M

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/SQPL3Z6MHF5CDMGVXO7OTMI7ND \
  | 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: 941ebde7cc397a21b0d5bbbee9b11f68d03c61a0ac1359ca0fe595f353c6095c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9411c0678de15e6288fcfbc7f53e5fcfb5249a19c7e720e02c287fa7fd5f371a",
    "cross_cats_sorted": [
      "physics.med-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ed-ph",
    "submitted_at": "2013-02-21T20:11:18Z",
    "title_canon_sha256": "8d3c90557fb6d234ae7398ea227a2085b2512e83077972f9417ce0d90089a4d1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.5397",
    "kind": "arxiv",
    "version": 1
  }
}