Pith Number

pith:WCZBL6VB

pith:2014:WCZBL6VBPCA2VK3G6442D6KVRR

not attested not anchored not stored refs pending

Room-temperature detection of single 20 nm super-paramagnetic nanoparticles with an imaging magnetometer

Hamed Arami, Kai-Mei Fu, Kannan M. Krishnan, Michael Gould, Nicole Thomas, Russell Barbour

arxiv:1403.0866 v1 · 2014-03-04 · cond-mat.mes-hall · 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{WCZBL6VBPCA2VK3G6442D6KVRR}

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	2026-05-18T01:44:20.183215Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b0b215faa17881aaab66f739a1f9558c53665865af189c0c4d49b569c870baf3

Aliases

arxiv: 1403.0866 · arxiv_version: 1403.0866v1 · doi: 10.48550/arxiv.1403.0866 · pith_short_12: WCZBL6VBPCA2 · pith_short_16: WCZBL6VBPCA2VK3G · pith_short_8: WCZBL6VB

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/WCZBL6VBPCA2VK3G6442D6KVRR \
  | 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: b0b215faa17881aaab66f739a1f9558c53665865af189c0c4d49b569c870baf3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "599298b4fa7faddd6e2ab6fb4ca69dfa856d2ceecf921a21979560b9ad66090e",
    "cross_cats_sorted": [
      "physics.optics",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mes-hall",
    "submitted_at": "2014-03-04T17:24:34Z",
    "title_canon_sha256": "898d724c17a1c8305ca704e0e8c95bf6e668803c0a86bc00fe270704c92f167e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1403.0866",
    "kind": "arxiv",
    "version": 1
  }
}