Pith Number

pith:AGBRAEN3

pith:2019:AGBRAEN3VXFGPMBR5FJ6CBA23Z

not attested not anchored not stored refs pending

Nonlinear Dipole Inversion (NDI) enables Quantitative Susceptibility Mapping (QSM) without parameter tuning

Berkin Bilgic, Daniel Polak, Elfar Adalsteinsson, Itthi Chatnuntawech, Jaeyeon Yoon, Jongho Lee, Kawin Setsompop, Peter Bachert, Siddharth Srinivasan Iyer

arxiv:1909.13692 v1 · 2019-09-30 · eess.IV · cs.LG · eess.SP · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{AGBRAEN3VXFGPMBR5FJ6CBA23Z}

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	2026-07-05T00:08:12.870304Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

01831011bbadca67b031e953e1041ade79b0330d84c8fba4987910752c5eb281

Aliases

arxiv: 1909.13692 · arxiv_version: 1909.13692v1 · doi: 10.48550/arxiv.1909.13692 · pith_short_12: AGBRAEN3VXFG · pith_short_16: AGBRAEN3VXFGPMBR · pith_short_8: AGBRAEN3

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/AGBRAEN3VXFGPMBR5FJ6CBA23Z \
  | 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: 01831011bbadca67b031e953e1041ade79b0330d84c8fba4987910752c5eb281

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aff3da9f9963dd9bd50487db0bb5f8c41bd53c7ececa8bcc7c7c4a04a7a80dd9",
    "cross_cats_sorted": [
      "cs.LG",
      "eess.SP",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2019-09-30T13:37:24Z",
    "title_canon_sha256": "dbe73ce36af12b16e2b9ddac57b5096e18628c1266134e04a6bb7316d978a1b2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1909.13692",
    "kind": "arxiv",
    "version": 1
  }
}