Pith Number

pith:ZM4PY4IT

pith:2018:ZM4PY4ITGQUR3GAG4HLRL3OXFS

not attested not anchored not stored refs pending

Sigmoid function based intensity transformation for parameter initialization in MRI-PET Registration Tool for Preclinical Studies

Alain Lalande, Hiliwi Leake Kidane, Stephanie Bricq

arxiv:1806.06469 v1 · 2018-06-18 · eess.IV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZM4PY4ITGQUR3GAG4HLRL3OXFS}

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	2026-05-18T00:13:02.291209Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cb38fc711334291d9806e1d715edd72c9f61acb9485f379aecf3d3f0058cc092

Aliases

arxiv: 1806.06469 · arxiv_version: 1806.06469v1 · doi: 10.48550/arxiv.1806.06469 · pith_short_12: ZM4PY4ITGQUR · pith_short_16: ZM4PY4ITGQUR3GAG · pith_short_8: ZM4PY4IT

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/ZM4PY4ITGQUR3GAG4HLRL3OXFS \
  | 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: cb38fc711334291d9806e1d715edd72c9f61acb9485f379aecf3d3f0058cc092

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7e59a24d06503255d20263f707d2ca03efcfb44f95632dd707e8a72e66e89caa",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2018-06-18T00:46:23Z",
    "title_canon_sha256": "dd7f408a4f9e95e0daf4090a9139cfe1096640d6cc7a0b997555f84220fc5dd8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.06469",
    "kind": "arxiv",
    "version": 1
  }
}