Pith Number

pith:QCNKDGBS

pith:2013:QCNKDGBSSHSFSVMP4OVS7KGF5X

not attested not anchored not stored refs pending

Joint Physical Network Coding and LDPC decoding for Two Way Wireless Relaying

Dongmei Zhang, Kui Xu, Wenwen Liang, Xinyi Zhong, Youyun Xu, Zhenxing Lv

arxiv:1302.4840 v1 · 2013-02-20 · 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{QCNKDGBSSHSFSVMP4OVS7KGF5X}

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	2026-05-18T03:33:10.842160Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

809aa1983291e459558fe3ab2fa8c5edc6e9043acc067f790a0af5a4fb9f7ef3

Aliases

arxiv: 1302.4840 · arxiv_version: 1302.4840v1 · doi: 10.48550/arxiv.1302.4840 · pith_short_12: QCNKDGBSSHSF · pith_short_16: QCNKDGBSSHSFSVMP · pith_short_8: QCNKDGBS

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/QCNKDGBSSHSFSVMP4OVS7KGF5X \
  | 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: 809aa1983291e459558fe3ab2fa8c5edc6e9043acc067f790a0af5a4fb9f7ef3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8fdcd99a9524ab97cbfd88ea5fd6945090178a49ecd4c8ca71e03bfbc01153a7",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/3.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2013-02-20T08:56:18Z",
    "title_canon_sha256": "18f3b0377e6d8e9f5a9546ce9ef3eb7fa8ebaa739ea7bf95cc0b4273240f7a3c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.4840",
    "kind": "arxiv",
    "version": 1
  }
}