Pith Number

pith:IG3VASFL

pith:2011:IG3VASFLJF2CUPLFGV3BGKALVR

not attested not anchored not stored refs pending

Hybrid tomography for conductivity imaging

O. Scherzer, T. Widlak

arxiv:1112.2958 v3 · 2011-12-13 · physics.med-ph · 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{IG3VASFLJF2CUPLFGV3BGKALVR}

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	2026-05-18T01:59:10.760287Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

41b75048ab49742a3d65357613280bac63ab23ebda5b85c97a247927ba9f8133

Aliases

arxiv: 1112.2958 · arxiv_version: 1112.2958v3 · doi: 10.48550/arxiv.1112.2958 · pith_short_12: IG3VASFLJF2C · pith_short_16: IG3VASFLJF2CUPLF · pith_short_8: IG3VASFL

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/IG3VASFLJF2CUPLFGV3BGKALVR \
  | 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: 41b75048ab49742a3d65357613280bac63ab23ebda5b85c97a247927ba9f8133

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9c8409e8867005ed358a40b2f170929938ffcb9c43d3fa65585b60f77af1a50f",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.med-ph",
    "submitted_at": "2011-12-13T16:57:33Z",
    "title_canon_sha256": "0d98f08ef5d908e417a70cff43a39170ca2b36e62fdf851566e35fa06b64a672"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1112.2958",
    "kind": "arxiv",
    "version": 3
  }
}