Pith Number

pith:R4FWQ6OV

pith:2021:R4FWQ6OVBIV4EXHOFS4WZOUNMU

not attested not anchored not stored refs pending

Hierarchical Qubit Maps and Hierarchical Quantum Error Correction

Martin J. Savage, Natalie Klco

arxiv:2109.01953 v1 · 2021-09-05 · quant-ph · hep-lat · hep-ph · nucl-th

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{R4FWQ6OVBIV4EXHOFS4WZOUNMU}

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	2026-07-05T03:45:42.336183Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8f0b6879d50a2bc25cee2cb96cba8d651f965d855966aacc374113bb670722db

Aliases

arxiv: 2109.01953 · arxiv_version: 2109.01953v1 · doi: 10.48550/arxiv.2109.01953 · pith_short_12: R4FWQ6OVBIV4 · pith_short_16: R4FWQ6OVBIV4EXHO · pith_short_8: R4FWQ6OV

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/R4FWQ6OVBIV4EXHOFS4WZOUNMU \
  | 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: 8f0b6879d50a2bc25cee2cb96cba8d651f965d855966aacc374113bb670722db

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "daaf4e2159c37a8011ae399f8d9148572c6c18f808ce99de4813d31554bb1286",
    "cross_cats_sorted": [
      "hep-lat",
      "hep-ph",
      "nucl-th"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2021-09-05T00:40:02Z",
    "title_canon_sha256": "403694cfb5c46da7c52e03184833783078ea9768d755e205d92e04c6e778a0ec"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.01953",
    "kind": "arxiv",
    "version": 1
  }
}