Pith Number

pith:ENMF4NGK

pith:2019:ENMF4NGKVIRMLD2ZWAKZDQZLK3

not attested not anchored not stored refs pending

Toeplitz operators on concave corners and topologically protected corner states

Shin Hayashi

arxiv:1902.01533 v2 · 2019-02-05 · math-ph · cond-mat.mes-hall · math.KT · 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{ENMF4NGKVIRMLD2ZWAKZDQZLK3}

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	2026-05-17T23:47:01.941126Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

23585e34caaa22c58f59b01591c32b56efaf8c954300456cf5943af268ce7eb7

Aliases

arxiv: 1902.01533 · arxiv_version: 1902.01533v2 · doi: 10.48550/arxiv.1902.01533 · pith_short_12: ENMF4NGKVIRM · pith_short_16: ENMF4NGKVIRMLD2Z · pith_short_8: ENMF4NGK

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/ENMF4NGKVIRMLD2ZWAKZDQZLK3 \
  | 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: 23585e34caaa22c58f59b01591c32b56efaf8c954300456cf5943af268ce7eb7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fde207b4509b73a79658c88709f192dec9e2d181cd546fb7810581c83e6e1c8b",
    "cross_cats_sorted": [
      "cond-mat.mes-hall",
      "math.KT",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2019-02-05T04:00:36Z",
    "title_canon_sha256": "f2f84ef21d90a43a57148d16e04161ec04f895f5a9d63791ecf70f01f40dfb18"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.01533",
    "kind": "arxiv",
    "version": 2
  }
}