Pith Number

pith:DE2FQTY5

pith:2016:DE2FQTY52FCYJIPNO4KQPAYHKS

not attested not anchored not stored refs pending

Secure Polar Coding for the Two-Way Wiretap Channel

Cong Ling, Meixia Tao, Mengfan Zheng, Wen Chen

arxiv:1612.00130 v3 · 2016-12-01 · 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{DE2FQTY52FCYJIPNO4KQPAYHKS}

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	2026-05-18T00:41:53.322775Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1934584f1dd14584a1ed77150783075483fa1cd8cfec8f89e2d7dbb5057fd8ff

Aliases

arxiv: 1612.00130 · arxiv_version: 1612.00130v3 · doi: 10.48550/arxiv.1612.00130 · pith_short_12: DE2FQTY52FCY · pith_short_16: DE2FQTY52FCYJIPN · pith_short_8: DE2FQTY5

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/DE2FQTY52FCYJIPNO4KQPAYHKS \
  | 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: 1934584f1dd14584a1ed77150783075483fa1cd8cfec8f89e2d7dbb5057fd8ff

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b548122e40071c441a6ab73504c5131babc52a9aef9232160b7443bd97b1aee0",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2016-12-01T03:32:25Z",
    "title_canon_sha256": "2c763030d653a7f8fb286031cdf8c5e4f83101c0c894d97ca17567c7de14d653"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1612.00130",
    "kind": "arxiv",
    "version": 3
  }
}