Pith Number

pith:N2RFDQH2

pith:2012:N2RFDQH2THA6CCGBYHFTBGDU6C

not attested not anchored not stored refs pending

Direct measurement of the magnetic penetration depth by magnetic force microscopy

A. S. Sefat, B. H. Moeckly, E. Nazaretski, F. Ronning, J. D. Thompson, Jeehoon Kim, L. Civale, N. Haberkorn, R. Movshovich, T. Tajima

arxiv:1206.4525 v1 · 2012-06-20 · cond-mat.supr-con

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{N2RFDQH2THA6CCGBYHFTBGDU6C}

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	2026-05-18T01:56:50.246650Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6ea251c0fa99c1e108c1c1cb309874f0b235cf99db68253f3c6aa6cb64ccb3e2

Aliases

arxiv: 1206.4525 · arxiv_version: 1206.4525v1 · doi: 10.48550/arxiv.1206.4525 · pith_short_12: N2RFDQH2THA6 · pith_short_16: N2RFDQH2THA6CCGB · pith_short_8: N2RFDQH2

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/N2RFDQH2THA6CCGBYHFTBGDU6C \
  | 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: 6ea251c0fa99c1e108c1c1cb309874f0b235cf99db68253f3c6aa6cb64ccb3e2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7fa5b7d533bf767ecfba5c2f99481bd89b65f637e2295343f0f807edf4d6123f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "2012-06-20T15:14:44Z",
    "title_canon_sha256": "d090b478534cfaad770e6a1d66e9584302e5985bab6f8c2072de032511ba1844"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1206.4525",
    "kind": "arxiv",
    "version": 1
  }
}