Pith Number

pith:2QT536YW

pith:2009:2QT536YWZUR433DBOFSUNK7K5R

not attested not anchored not stored refs pending

Fractional topological excitations and quantum phase transition in a bilayer 2DEG adjacent to a superconductor film

Ningning Hao, Ping Zhang, Wei Zhang, Yupeng Wang, Zhigang Wang

arxiv:0909.2981 v1 · 2009-09-16 · cond-mat.mes-hall · cond-mat.str-el

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2QT536YWZUR433DBOFSUNK7K5R}

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	2026-05-18T02:11:47.307405Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d427ddfb16cd23cdec61716546abeaec78b9e4b913b121e41174bd5874d2544f

Aliases

arxiv: 0909.2981 · arxiv_version: 0909.2981v1 · doi: 10.48550/arxiv.0909.2981 · pith_short_12: 2QT536YWZUR4 · pith_short_16: 2QT536YWZUR433DB · pith_short_8: 2QT536YW

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/2QT536YWZUR433DBOFSUNK7K5R \
  | 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: d427ddfb16cd23cdec61716546abeaec78b9e4b913b121e41174bd5874d2544f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "018877d58956e5db2b7f38bd51e05adc3b2bda956c85eecb7ffad9f85efbb9e7",
    "cross_cats_sorted": [
      "cond-mat.str-el"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mes-hall",
    "submitted_at": "2009-09-16T11:07:06Z",
    "title_canon_sha256": "3e339fdf685891de7b6259afb63056e166c2033c1711134a925aad390e129d43"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0909.2981",
    "kind": "arxiv",
    "version": 1
  }
}