Pith Number

pith:WQD72VXU

pith:2018:WQD72VXU63OVBB3G367RZ32FNW

not attested not anchored not stored refs pending

Head phantoms for electroencephalography and transcranial electric stimulation: a skull material study

2) ((1) Institute of Biomedical Engineering, (2) Biomagnetic Center, Alexander Hunold (1), Automation, Daniel Strohmeier (1), Department of Neurology, Faculty of Computer Science, Germany, Germany), Ilmenau, Informatics, Jena, Jena University Hospital, Jens Haueisen (1, Patrique Fiedler (1), TU Ilmenau

arxiv:1811.06789 v1 · 2018-11-16 · physics.med-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WQD72VXU63OVBB3G367RZ32FNW}

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	2026-05-18T00:00:33.864308Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b407fd56f4f6dd508766dfbf1cef456d8e44152f310fb20c663f8381ada67cdb

Aliases

arxiv: 1811.06789 · arxiv_version: 1811.06789v1 · doi: 10.48550/arxiv.1811.06789 · pith_short_12: WQD72VXU63OV · pith_short_16: WQD72VXU63OVBB3G · pith_short_8: WQD72VXU

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/WQD72VXU63OVBB3G367RZ32FNW \
  | 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: b407fd56f4f6dd508766dfbf1cef456d8e44152f310fb20c663f8381ada67cdb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "25a1a8c1fec61060869f973e23ce5e94326c3ec38780a1e75af8e5070b4999e1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.med-ph",
    "submitted_at": "2018-11-16T12:59:32Z",
    "title_canon_sha256": "9a9a21cba648b47ed3e521ca654c2fcb4bf9cbd36b10c371fc91d2ab0dcf2609"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.06789",
    "kind": "arxiv",
    "version": 1
  }
}