Pith Number

pith:2ZYDJKPP

pith:2018:2ZYDJKPPWNQPFKR3CVE3ATYUHD

not attested not anchored not stored refs pending

Beltrami-Net: Domain Independent Deep D-bar Learning for Absolute Imaging with Electrical Impedance Tomography (a-EIT)

A. H\"anninen, A. Hauptmann, S. J. Hamilton, V. Kolehmainen

arxiv:1811.12830 v1 · 2018-11-30 · math.NA · cs.LG · math.FA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2ZYDJKPPWNQPFKR3CVE3ATYUHD}

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	2026-05-17T23:59:28.364737Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d67034a9efb360f2aa3b1549b04f1438faed147ffbda318d950e93a9fe05d71d

Aliases

arxiv: 1811.12830 · arxiv_version: 1811.12830v1 · doi: 10.48550/arxiv.1811.12830 · pith_short_12: 2ZYDJKPPWNQP · pith_short_16: 2ZYDJKPPWNQPFKR3 · pith_short_8: 2ZYDJKPP

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/2ZYDJKPPWNQPFKR3CVE3ATYUHD \
  | 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: d67034a9efb360f2aa3b1549b04f1438faed147ffbda318d950e93a9fe05d71d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d46f456f56a1b00c32cfc3c63405a76076eea4475043e3b2e0cb347afaa94a08",
    "cross_cats_sorted": [
      "cs.LG",
      "math.FA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-11-30T14:55:33Z",
    "title_canon_sha256": "255c8e4bd16689d05e2c4c5f90dea7cf13cda713e9764cc5732a689dd1cc354d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.12830",
    "kind": "arxiv",
    "version": 1
  }
}