Pith Number

pith:XFDVTRH5

pith:2012:XFDVTRH5Z2A5WIBKAV5WLIKOUJ

not attested not anchored not stored refs pending

Finite-size energy gap in weak and strong topological insulators

Ken-Ichiro Imura, Mayuko Okamoto, Tomi Ohtsuki, Yositake Takane, Yukinori Yoshimura

arxiv:1208.0654 v2 · 2012-08-03 · 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{XFDVTRH5Z2A5WIBKAV5WLIKOUJ}

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	2026-05-18T03:37:08.319691Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b94759c4fdce81db202a057b65a14ea25acef6936349a6fd4168591126800a43

Aliases

arxiv: 1208.0654 · arxiv_version: 1208.0654v2 · doi: 10.48550/arxiv.1208.0654 · pith_short_12: XFDVTRH5Z2A5 · pith_short_16: XFDVTRH5Z2A5WIBK · pith_short_8: XFDVTRH5

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/XFDVTRH5Z2A5WIBKAV5WLIKOUJ \
  | 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: b94759c4fdce81db202a057b65a14ea25acef6936349a6fd4168591126800a43

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6dad3b19465d3f7544abe8e66096d4141d35e6031dd5c7e92790f24813c4507f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mes-hall",
    "submitted_at": "2012-08-03T04:44:02Z",
    "title_canon_sha256": "5f950a83a232152945767236351d850e4a297851926218df462164030f4b09a7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1208.0654",
    "kind": "arxiv",
    "version": 2
  }
}