Pith Number

pith:Z4KUVCI7

pith:2019:Z4KUVCI7NXWM5BHQBLMIILB6A5

not attested not anchored not stored refs pending

Designing pretty good state transfer via isospectral reductions

C. V. Morfonios, F. K. Diakonos, I. Brouzos, M. Pyzh, M. R\"ontgen, N. E. Palaiodimopoulos, P. Schmelcher

arxiv:1908.02046 v1 · 2019-08-06 · quant-ph · math-ph · 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{Z4KUVCI7NXWM5BHQBLMIILB6A5}

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	2026-07-05T00:53:34.673121Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cf154a891f6decce84f00ad8842c3e07414aa00aee328a0d6baebbdd6f4b93c2

Aliases

arxiv: 1908.02046 · arxiv_version: 1908.02046v1 · doi: 10.48550/arxiv.1908.02046 · pith_short_12: Z4KUVCI7NXWM · pith_short_16: Z4KUVCI7NXWM5BHQ · pith_short_8: Z4KUVCI7

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/Z4KUVCI7NXWM5BHQBLMIILB6A5 \
  | 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: cf154a891f6decce84f00ad8842c3e07414aa00aee328a0d6baebbdd6f4b93c2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8edb812e034853c3d2a90532d572e89e9abf53c18652e45732596c79ce83b272",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2019-08-06T10:05:37Z",
    "title_canon_sha256": "7b70519b85ed14b5ab1766c07c756bd8fa6afa3182e70a884278f4609d171132"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.02046",
    "kind": "arxiv",
    "version": 1
  }
}