Pith Number

pith:DXABNZFC

pith:2016:DXABNZFCA2VYVY2VZAWCOZVUTA

not attested not anchored not stored refs pending

Distance verification for classical and quantum LDPC codes

Alexey A. Kovalev, Ilya Dumer, Leonid P. Pryadko

arxiv:1611.07164 v1 · 2016-11-22 · cs.IT · math.IT · 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{DXABNZFCA2VYVY2VZAWCOZVUTA}

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	2026-05-18T00:57:24.755094Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1dc016e4a206ab8ae355c82c2766b49833d9ec03e1ad9c7243e3ddd2ddc5c373

Aliases

arxiv: 1611.07164 · arxiv_version: 1611.07164v1 · doi: 10.48550/arxiv.1611.07164 · pith_short_12: DXABNZFCA2VY · pith_short_16: DXABNZFCA2VYVY2V · pith_short_8: DXABNZFC

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/DXABNZFCA2VYVY2VZAWCOZVUTA \
  | 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: 1dc016e4a206ab8ae355c82c2766b49833d9ec03e1ad9c7243e3ddd2ddc5c373

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c6fdf7cb4309f4a9b5af395a9ef887ae6f7ece264af61a0ee82f6ff245b4468a",
    "cross_cats_sorted": [
      "math.IT",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2016-11-22T06:44:52Z",
    "title_canon_sha256": "e1bc43fa3769b942e607221faf1521e6b1a551d0060a14fe717579a76cc8ee40"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1611.07164",
    "kind": "arxiv",
    "version": 1
  }
}