Pith Number

pith:CQLT6E7Z

pith:2011:CQLT6E7ZBEM6XOSOMIX6OEOC6U

not attested not anchored not stored refs pending

High-order regularized regression in Electrical Impedance Tomography

Alireza Aghasi, Eric L. Miller, Nick Polydorides

arxiv:1109.2350 v2 · 2011-09-11 · physics.geo-ph · math-ph · math.MP · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CQLT6E7ZBEM6XOSOMIX6OEOC6U}

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	2026-05-18T03:54:49.360477Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

14173f13f90919ebba4e622fe711c2f5357f54f9a1ecc749d871e0e521384f2c

Aliases

arxiv: 1109.2350 · arxiv_version: 1109.2350v2 · doi: 10.48550/arxiv.1109.2350 · pith_short_12: CQLT6E7ZBEM6 · pith_short_16: CQLT6E7ZBEM6XOSO · pith_short_8: CQLT6E7Z

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/CQLT6E7ZBEM6XOSOMIX6OEOC6U \
  | 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: 14173f13f90919ebba4e622fe711c2f5357f54f9a1ecc749d871e0e521384f2c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "045d398cf8494651945c2f1ec15953d99a45c6768841fd0401be1df5b1b6bea7",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP",
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.geo-ph",
    "submitted_at": "2011-09-11T20:25:46Z",
    "title_canon_sha256": "ccb06f5c56a5a5797bb3863738a510e9d6cba0b5a72aeeeaf9cde46ccab7bf9a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.2350",
    "kind": "arxiv",
    "version": 2
  }
}