Pith Number

pith:COPEOYJ3

pith:2013:COPEOYJ3SZA27GXR5X4B32FIH4

not attested not anchored not stored refs pending

Hybrid Group Decoding for Scalable Video over MIMO-OFDM Downlink Systems

Chen Gong, Shuying Li, Xiaodong Wang

arxiv:1306.4755 v1 · 2013-06-20 · 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{COPEOYJ3SZA27GXR5X4B32FIH4}

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	2026-05-18T03:20:21.803898Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

139e47613b9641af9af1edf81de8a83f2a1fed2b4a263f794429acce1a5b9d5e

Aliases

arxiv: 1306.4755 · arxiv_version: 1306.4755v1 · doi: 10.48550/arxiv.1306.4755 · pith_short_12: COPEOYJ3SZA2 · pith_short_16: COPEOYJ3SZA27GXR · pith_short_8: COPEOYJ3

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/COPEOYJ3SZA27GXR5X4B32FIH4 \
  | 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: 139e47613b9641af9af1edf81de8a83f2a1fed2b4a263f794429acce1a5b9d5e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "603636796105b46c34ae573f191ab632dd56a66c2cdd1b9c0312e705fd393d58",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2013-06-20T05:12:41Z",
    "title_canon_sha256": "30c12b5e5650bcc3d0d3aa1f754c04af87e8850d4613aa16955652a970b33d46"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1306.4755",
    "kind": "arxiv",
    "version": 1
  }
}