Pith Number

pith:7746F357

pith:2020:7746F357WKWDQQHEKCPF2EAXUU

not attested not anchored not stored refs pending

Approximate symmetries and conservation laws in topological insulators and associated $\mathbb{Z}$-invariants

Hermann Schulz-Baldes, Nora Doll

arxiv:2004.13093 v2 · 2020-04-27 · math-ph · cond-mat.mes-hall · 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{7746F357WKWDQQHEKCPF2EAXUU}

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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.

Cited by

1 paper in Pith

Fast Geographic Routing in Fixed-Growth Graphs

Receipt and verification

First computed	2026-07-05T01:30:00.999072Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fff9e2efbfb2ac3840e4509e5d1017a50da2316960c702612008222f8a2870b1

Aliases

arxiv: 2004.13093 · arxiv_version: 2004.13093v2 · doi: 10.48550/arxiv.2004.13093 · pith_short_12: 7746F357WKWD · pith_short_16: 7746F357WKWDQQHE · pith_short_8: 7746F357

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/7746F357WKWDQQHEKCPF2EAXUU \
  | 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: fff9e2efbfb2ac3840e4509e5d1017a50da2316960c702612008222f8a2870b1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9992f97940b31970a25be4124a7bd197c46b8281293b19717a809b37eca303dd",
    "cross_cats_sorted": [
      "cond-mat.mes-hall",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2020-04-27T18:53:47Z",
    "title_canon_sha256": "f0d6174cf0d70361416d77caff70c300b2c47e3536ba18c7457697241dd59823"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2004.13093",
    "kind": "arxiv",
    "version": 2
  }
}