Pith Number

pith:53QRIQ5O

pith:2013:53QRIQ5OY65BF4HJUPX2DWMMIA

not attested not anchored not stored refs pending

Physical Layer Network Coding for Two-Way Relaying with QAM

B. Sundar Rajan, Kiran Venugopal, Vishnu Namboodiri

arxiv:1301.4646 v1 · 2013-01-20 · 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{53QRIQ5OY65BF4HJUPX2DWMMIA}

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	2026-05-18T00:58:17.710729Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eee11443aec7ba12f0e9a3efa1d98c4008df71ee694205e5813423d1ef7e6d3c

Aliases

arxiv: 1301.4646 · arxiv_version: 1301.4646v1 · doi: 10.48550/arxiv.1301.4646 · pith_short_12: 53QRIQ5OY65B · pith_short_16: 53QRIQ5OY65BF4HJ · pith_short_8: 53QRIQ5O

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/53QRIQ5OY65BF4HJUPX2DWMMIA \
  | 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: eee11443aec7ba12f0e9a3efa1d98c4008df71ee694205e5813423d1ef7e6d3c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "812a22d303ed9a655890790d098a09c39ce6d3c4364523621812fb173a0b5bf9",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2013-01-20T10:10:21Z",
    "title_canon_sha256": "7dbab312d0832448740030872902dc4e1fcda2dec1fb1ace8d96c41abc40d0d6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.4646",
    "kind": "arxiv",
    "version": 1
  }
}