Pith Number

pith:4X4PNIPF

pith:2017:4X4PNIPFABGA3L543VGUFH56PE

not attested not anchored not stored refs pending

Topological invariants for Floquet-Bloch systems with chiral, time-reversal, or particle-hole symmetry

Andreas Alvermann, Bastian H\"ockendorf, Holger Fehske

arxiv:1708.07420 v4 · 2017-08-24 · 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{4X4PNIPFABGA3L543VGUFH56PE}

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	2026-05-18T00:25:17.546720Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e5f8f6a1e5004c0dafbcdd4d429fbe790406185f48b17f4a88b77ee852030352

Aliases

arxiv: 1708.07420 · arxiv_version: 1708.07420v4 · doi: 10.48550/arxiv.1708.07420 · pith_short_12: 4X4PNIPFABGA · pith_short_16: 4X4PNIPFABGA3L54 · pith_short_8: 4X4PNIPF

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/4X4PNIPFABGA3L543VGUFH56PE \
  | 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: e5f8f6a1e5004c0dafbcdd4d429fbe790406185f48b17f4a88b77ee852030352

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4545b94e58f91d1b236601499085fdd9e08228576555c8de3e19cef08268b9d6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mes-hall",
    "submitted_at": "2017-08-24T13:54:24Z",
    "title_canon_sha256": "d62a5a4ba5bdaf058d4499f0800a642989b6e652745afa825f427d99834f22c0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.07420",
    "kind": "arxiv",
    "version": 4
  }
}