Pith Number

pith:POJZGJHK

pith:2016:POJZGJHKMMA7IM3D3UN2BL5FEV

not attested not anchored not stored refs pending

The Noncommutative Index Theorem and the Periodic Table for Disordered Topological Insulators and Superconductors

Hosho Katsura, Tohru Koma

arxiv:1611.01928 v4 · 2016-11-07 · math-ph · cond-mat.dis-nn · cond-mat.supr-con · hep-lat · hep-th · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{POJZGJHKMMA7IM3D3UN2BL5FEV}

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	2026-05-18T00:15:24.750746Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7b939324ea6301f43363dd1ba0afa5255b4fa2c3098caa42309b945caeaa865f

Aliases

arxiv: 1611.01928 · arxiv_version: 1611.01928v4 · doi: 10.48550/arxiv.1611.01928 · pith_short_12: POJZGJHKMMA7 · pith_short_16: POJZGJHKMMA7IM3D · pith_short_8: POJZGJHK

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/POJZGJHKMMA7IM3D3UN2BL5FEV \
  | 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: 7b939324ea6301f43363dd1ba0afa5255b4fa2c3098caa42309b945caeaa865f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "39dadcd5dd628abbc02a84be77efca35b2301bbd90f9b080f7521598ee757478",
    "cross_cats_sorted": [
      "cond-mat.dis-nn",
      "cond-mat.supr-con",
      "hep-lat",
      "hep-th",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2016-11-07T08:11:21Z",
    "title_canon_sha256": "bdeb7cbee334dfa38b9ae3762256a2d28731d0b07dcd3ac00f700e254e7cd749"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1611.01928",
    "kind": "arxiv",
    "version": 4
  }
}