Pith Number

pith:ETCBR3DV

pith:2013:ETCBR3DVOKIVMNTMVWH3FFJQVG

not attested not anchored not stored refs pending

Capacity Region Bounds and Resource Allocation for Two-Way OFDM Relay Channels

Chong-Yung Chi, Fei He, Limin Xiao, Shidong Zhou, Xiang Chen, Yin Sun

arxiv:1301.5061 v4 · 2013-01-22 · 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{ETCBR3DVOKIVMNTMVWH3FFJQVG}

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	2026-05-18T03:30:02.033755Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

24c418ec75729156366cad8fb29530a999e931ff5cedaecd2fb08a07baf1da3e

Aliases

arxiv: 1301.5061 · arxiv_version: 1301.5061v4 · doi: 10.48550/arxiv.1301.5061 · pith_short_12: ETCBR3DVOKIV · pith_short_16: ETCBR3DVOKIVMNTM · pith_short_8: ETCBR3DV

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/ETCBR3DVOKIVMNTMVWH3FFJQVG \
  | 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: 24c418ec75729156366cad8fb29530a999e931ff5cedaecd2fb08a07baf1da3e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4d37ea64b886ed2c930997e2307f85e614344a3b27f8bad5c342c35468e16234",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2013-01-22T02:31:43Z",
    "title_canon_sha256": "d9070a1475e07eab7483a2e1850be904408722f65cb46134973063904bd14ea0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.5061",
    "kind": "arxiv",
    "version": 4
  }
}