Pith Number

pith:HTAXZ2ID

pith:2020:HTAXZ2IDTIK4WFTCO2MWYN7OV7

not attested not anchored not stored refs pending

Spatial sampling of MEG and EEG revisited: From spatial-frequency spectra to model-informed sampling

Antti J. M\"akinen, Joonas Iivanainen, Lauri Parkkonen, Matti Stenroos, Rasmus Zetter, Risto J. Ilmoniemi

arxiv:2006.02919 v1 · 2020-06-03 · physics.med-ph · eess.SP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HTAXZ2IDTIK4WFTCO2MWYN7OV7}

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	2026-07-05T01:08:01.591307Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3cc17ce9039a15cb166276996c37eeaff53a7e62a1b975dd67177894f28b1aac

Aliases

arxiv: 2006.02919 · arxiv_version: 2006.02919v1 · doi: 10.48550/arxiv.2006.02919 · pith_short_12: HTAXZ2IDTIK4 · pith_short_16: HTAXZ2IDTIK4WFTC · pith_short_8: HTAXZ2ID

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/HTAXZ2IDTIK4WFTCO2MWYN7OV7 \
  | 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: 3cc17ce9039a15cb166276996c37eeaff53a7e62a1b975dd67177894f28b1aac

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4a638ee9d5174dca2477b7b7fddac9b9e185aff0d926f039e0910b06114e7dbb",
    "cross_cats_sorted": [
      "eess.SP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.med-ph",
    "submitted_at": "2020-06-03T11:01:05Z",
    "title_canon_sha256": "a09684e431a26f43e6ba8261369dd5f6a67c643849a4a3e2116001b9294e1289"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2006.02919",
    "kind": "arxiv",
    "version": 1
  }
}