Pith Number

pith:K4W4VWKL

pith:2013:K4W4VWKLT34IGYB7ORHMSXEWLT

not attested not anchored not stored refs pending

Training-Based Synchronization and Channel Estimation in AF Two-Way Relaying Networks

Ali Arshad Nasir, Hani Mehrpouyan, Rodney A. Kennedy, Salman Durrani, Steven D. Blostein

arxiv:1309.6690 v2 · 2013-09-25 · 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{K4W4VWKLT34IGYB7ORHMSXEWLT}

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	2026-05-18T00:57:52.649871Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

572dcad94b9ef883603f744ec95c965ccf087e64f58b4ad9f889320025b1740c

Aliases

arxiv: 1309.6690 · arxiv_version: 1309.6690v2 · doi: 10.48550/arxiv.1309.6690 · pith_short_12: K4W4VWKLT34I · pith_short_16: K4W4VWKLT34IGYB7 · pith_short_8: K4W4VWKL

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/K4W4VWKLT34IGYB7ORHMSXEWLT \
  | 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: 572dcad94b9ef883603f744ec95c965ccf087e64f58b4ad9f889320025b1740c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "af085fb29799dbe4ab99ae918342482fb677c8ab7b740f41e3e98faec41c4801",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2013-09-25T23:24:14Z",
    "title_canon_sha256": "1bee76b05db522eaeab0773cde96ed8822b14137f23dda0cdd2d566269111ab4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.6690",
    "kind": "arxiv",
    "version": 2
  }
}