Pith Number

pith:MEOX67AY

pith:2024:MEOX67AYHBUC2PYRKCAZKKDGEG

not attested not anchored not stored refs pending

An optically pumped magnetic gradiometer for the detection of human biomagnetism

Anna U. Kowalczyk, Giovanni Barontini, Harry Cook, Lari M. Koponen, Ole Jensen, Yulia Bezsudnova

arxiv:2402.10113 v1 · 2024-02-15 · physics.app-ph · physics.atom-ph · physics.med-ph · physics.optics · quant-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{MEOX67AYHBUC2PYRKCAZKKDGEG}

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	2026-07-05T08:20:53.049658Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

611d7f7c1838682d3f11508195286621b397682fb339b7e39d21fb06e8800557

Aliases

arxiv: 2402.10113 · arxiv_version: 2402.10113v1 · doi: 10.48550/arxiv.2402.10113 · pith_short_12: MEOX67AYHBUC · pith_short_16: MEOX67AYHBUC2PYR · pith_short_8: MEOX67AY

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/MEOX67AYHBUC2PYRKCAZKKDGEG \
  | 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: 611d7f7c1838682d3f11508195286621b397682fb339b7e39d21fb06e8800557

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0093e6e1bd90a5f50f5a4224b25066b859d339f06e363d1c521c2ef5210f2c75",
    "cross_cats_sorted": [
      "physics.atom-ph",
      "physics.med-ph",
      "physics.optics",
      "quant-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.app-ph",
    "submitted_at": "2024-02-15T17:08:49Z",
    "title_canon_sha256": "5c0018c381b9f54df38d9933fee20bb34a852e8edceae890a5039ee52bc64ff8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2402.10113",
    "kind": "arxiv",
    "version": 1
  }
}