Pith Number

pith:PPAFD6SF

pith:2013:PPAFD6SFXUCSHWWEAQ2BXIOTTB

not attested not anchored not stored refs pending

Wireless Information and Power Transfer in Two-Way Amplify-and-Forward Relaying Channels

Biao Wang, Bin Xia, Hui Liu, Zhiyong Chen

arxiv:1307.7447 v1 · 2013-07-29 · 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{PPAFD6SFXUCSHWWEAQ2BXIOTTB}

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	2026-05-18T03:17:23.244791Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7bc051fa45bd0523dac404341ba1d39862d2d489d31ac8eaa6f2ac9d8cd7065e

Aliases

arxiv: 1307.7447 · arxiv_version: 1307.7447v1 · doi: 10.48550/arxiv.1307.7447 · pith_short_12: PPAFD6SFXUCS · pith_short_16: PPAFD6SFXUCSHWWE · pith_short_8: PPAFD6SF

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/PPAFD6SFXUCSHWWEAQ2BXIOTTB \
  | 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: 7bc051fa45bd0523dac404341ba1d39862d2d489d31ac8eaa6f2ac9d8cd7065e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "06ce3cd9789598330e88b843717b5c959111c4149ed23e96b4e8dee2bf3c0f00",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2013-07-29T02:26:15Z",
    "title_canon_sha256": "6797047a272205005bb8d8996e17877af359943335ae4cfa85b75ef02c68a497"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.7447",
    "kind": "arxiv",
    "version": 1
  }
}