Pith Number

pith:GR4HA7EE

pith:2019:GR4HA7EETH3T4KVXF35NHOOII4

not attested not anchored not stored refs pending

MRI Tissue Magnetism Quantification through Total Field Inversion with Deep Neural Networks

Juan Liu, Kevin M. Koch

arxiv:1904.07105 v1 · 2019-04-11 · physics.med-ph · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GR4HA7EETH3T4KVXF35NHOOII4}

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	2026-05-17T23:48:35.277479Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3478707c8499f73e2ab72efad3b9c84726b5ab98ffd51f9b6f86676b6acb9de2

Aliases

arxiv: 1904.07105 · arxiv_version: 1904.07105v1 · doi: 10.48550/arxiv.1904.07105 · pith_short_12: GR4HA7EETH3T · pith_short_16: GR4HA7EETH3T4KVX · pith_short_8: GR4HA7EE

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/GR4HA7EETH3T4KVXF35NHOOII4 \
  | 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: 3478707c8499f73e2ab72efad3b9c84726b5ab98ffd51f9b6f86676b6acb9de2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "92d69a65dbd22f19b2b9d05257a4befceca0314cb7eb76035c368cf785673bfd",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "physics.med-ph",
    "submitted_at": "2019-04-11T20:18:27Z",
    "title_canon_sha256": "01615c0cca8ca3b33e7628cb06f15f365d9db2cf7e8b6cf287d516cf9ef877d3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.07105",
    "kind": "arxiv",
    "version": 1
  }
}