Pith Number

pith:72QYPU3Q

pith:2010:72QYPU3QP2LPJL7FTHP4NMBR7B

not attested not anchored not stored refs pending

Flat-lens focusing of electrons on the surface of a topological insulator

A. R. Akhmerov, C. W. J. Beenakker, F. Hassler

arxiv:1005.5093 v1 · 2010-05-27 · cond-mat.mes-hall

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{72QYPU3QP2LPJL7FTHP4NMBR7B}

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	2026-05-18T04:40:54.423253Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fea187d3707e96f4afe599dfc6b031f868a2e4937509a46ae66554110f56b381

Aliases

arxiv: 1005.5093 · arxiv_version: 1005.5093v1 · doi: 10.48550/arxiv.1005.5093 · pith_short_12: 72QYPU3QP2LP · pith_short_16: 72QYPU3QP2LPJL7F · pith_short_8: 72QYPU3Q

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/72QYPU3QP2LPJL7FTHP4NMBR7B \
  | 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: fea187d3707e96f4afe599dfc6b031f868a2e4937509a46ae66554110f56b381

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ef52fdd2ddd5f69320738853a1dbe2286515b84d45c8c5037b3e20e484533a03",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mes-hall",
    "submitted_at": "2010-05-27T15:26:14Z",
    "title_canon_sha256": "9e031fc72459e0ec8a849ddecee33b9be03d71c5568564abe545e404bab148f2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1005.5093",
    "kind": "arxiv",
    "version": 1
  }
}