Pith Number

pith:ZF6NXCBL

pith:2011:ZF6NXCBLJX2ZEFWZPVNZQ3I6T4

not attested not anchored not stored refs pending

Block-Orthogonal Space-Time Code Structure and Its Impact on QRDM Decoding Complexity Reduction

Chau Yuen, Er Yang Zhang, Tian Peng Ren, Yong Liang Guan

arxiv:1110.0897 v2 · 2011-10-05 · cs.IT · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZF6NXCBLJX2ZEFWZPVNZQ3I6T4}

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	2026-05-18T02:00:17.749684Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c97cdb882b4df59216d97d5b986d1e9f3825140a4a6c8ac28267a8d4fcdfa8be

Aliases

arxiv: 1110.0897 · arxiv_version: 1110.0897v2 · doi: 10.48550/arxiv.1110.0897 · pith_short_12: ZF6NXCBLJX2Z · pith_short_16: ZF6NXCBLJX2ZEFWZ · pith_short_8: ZF6NXCBL

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/ZF6NXCBLJX2ZEFWZPVNZQ3I6T4 \
  | 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: c97cdb882b4df59216d97d5b986d1e9f3825140a4a6c8ac28267a8d4fcdfa8be

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7c229319bbf3b9f2ea0c1e5807f9244dca9edb38b5ef933544c60b3762785277",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2011-10-05T05:30:35Z",
    "title_canon_sha256": "76a347c3d41023b6d6b79d94d272b2f48140746c9c740df5a3ef717bfcadbe2f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1110.0897",
    "kind": "arxiv",
    "version": 2
  }
}