Pith Number

pith:GAQLU2WJ

pith:2012:GAQLU2WJE7PW53EQDYWUUANGMN

not attested not anchored not stored refs pending

Magnetic levitation on a type-I superconductor as a practical demonstration experiment for students

D. E. Lahera, H. Suderow, M. R. Osorio

arxiv:1207.5992 v1 · 2012-07-25 · physics.ed-ph · cond-mat.other

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GAQLU2WJE7PW53EQDYWUUANGMN}

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	2026-05-18T01:56:07.779728Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3020ba6ac927df6eec901e2d4a01a663765db5de20283d12b234ee1faa956404

Aliases

arxiv: 1207.5992 · arxiv_version: 1207.5992v1 · doi: 10.48550/arxiv.1207.5992 · pith_short_12: GAQLU2WJE7PW · pith_short_16: GAQLU2WJE7PW53EQ · pith_short_8: GAQLU2WJ

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/GAQLU2WJE7PW53EQDYWUUANGMN \
  | 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: 3020ba6ac927df6eec901e2d4a01a663765db5de20283d12b234ee1faa956404

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d76c3132344dfd062b761762ed059be4530aed929727f90e9d2f53605ea55456",
    "cross_cats_sorted": [
      "cond-mat.other"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ed-ph",
    "submitted_at": "2012-07-25T13:54:02Z",
    "title_canon_sha256": "b5aedfc091c24b2e59dbd87c4daa8fc17738003ba9ad357cbcc6e5a13eb0159e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.5992",
    "kind": "arxiv",
    "version": 1
  }
}