Pith Number

pith:VR23X3I6

pith:2017:VR23X3I62AGY66OCVKGK2JLXM4

not attested not anchored not stored refs pending

Topological boundary invariants for Floquet systems and quantum walks

Christian Sadel, Hermann Schulz-Baldes

arxiv:1708.01173 v2 · 2017-08-03 · math-ph · cond-mat.dis-nn · 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{VR23X3I62AGY66OCVKGK2JLXM4}

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	2026-05-18T00:32:05.955395Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ac75bbed1ed00d8f79c2aa8cad257767048caab96b04b484aa9aa5395da06628

Aliases

arxiv: 1708.01173 · arxiv_version: 1708.01173v2 · doi: 10.48550/arxiv.1708.01173 · pith_short_12: VR23X3I62AGY · pith_short_16: VR23X3I62AGY66OC · pith_short_8: VR23X3I6

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/VR23X3I62AGY66OCVKGK2JLXM4 \
  | 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: ac75bbed1ed00d8f79c2aa8cad257767048caab96b04b484aa9aa5395da06628

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6f83ddf6d41b2f5d5bb24c9d3b3925c9467afb9ae7c9b7f8f2cefbfe20cfff94",
    "cross_cats_sorted": [
      "cond-mat.dis-nn",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2017-08-03T15:07:31Z",
    "title_canon_sha256": "028bc7df347d7efaa0a0f09607049a48b9cceb3ecd15ab64d5c3eb55be4c84c2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.01173",
    "kind": "arxiv",
    "version": 2
  }
}