Pith Number

pith:BMWCPOKU

pith:2013:BMWCPOKUVOVLUJWTIYVMAHMS5M

not attested not anchored not stored refs pending

Relation Between Surface Codes and Hypermap-Homology Quantum Codes

Pradeep Sarvepalli

arxiv:1312.6344 v2 · 2013-12-22 · quant-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BMWCPOKUVOVLUJWTIYVMAHMS5M}

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	2026-05-18T02:51:33.711231Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0b2c27b954abaaba26d3462ac01d92eb0c1ba5ea577c883148fb6ba87804cb63

Aliases

arxiv: 1312.6344 · arxiv_version: 1312.6344v2 · doi: 10.48550/arxiv.1312.6344 · pith_short_12: BMWCPOKUVOVL · pith_short_16: BMWCPOKUVOVLUJWT · pith_short_8: BMWCPOKU

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/BMWCPOKUVOVLUJWTIYVMAHMS5M \
  | 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: 0b2c27b954abaaba26d3462ac01d92eb0c1ba5ea577c883148fb6ba87804cb63

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a323fad2bcc00e9a9988ab1d4ab26f65c079d09e7868235b7ec91a7e8ce5b80a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2013-12-22T05:44:32Z",
    "title_canon_sha256": "82cc16d165b681934fb602e25cb1c890d10e78c69f55eaa08ce3d62cef5615ae"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.6344",
    "kind": "arxiv",
    "version": 2
  }
}