pith. sign in
Pith Number

pith:WKSE5B4N

pith:2016:WKSE5B4NNLGWFIC2RYMU75IE3B
not attested not anchored not stored refs pending

On Covert Communication with Noise Uncertainty

Biao He, Shihao Yan, Vincent K. N. Lau, Xiangyun Zhou

arxiv:1612.09027 v1 · 2016-12-29 · cs.IT · math.IT

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{WKSE5B4NNLGWFIC2RYMU75IE3B}

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 2026-05-18T00:53:46.573966Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

b2a44e878d6acd62a05a8e194ff504d86b3c8da3ff6cba89ed5febc88750599d

Aliases

arxiv: 1612.09027 · arxiv_version: 1612.09027v1 · doi: 10.48550/arxiv.1612.09027 · pith_short_12: WKSE5B4NNLGW · pith_short_16: WKSE5B4NNLGWFIC2 · pith_short_8: WKSE5B4N
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/WKSE5B4NNLGWFIC2RYMU75IE3B \
  | 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: b2a44e878d6acd62a05a8e194ff504d86b3c8da3ff6cba89ed5febc88750599d
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "c1fc3d6eae6e660eed6489d427de6ea906af4e112f8a0b037e1bc8b7ef5e87d5",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2016-12-29T03:01:00Z",
    "title_canon_sha256": "eb55480b428bd6545df76b66397d9796925258f5e5355d2de6658075350974bd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1612.09027",
    "kind": "arxiv",
    "version": 1
  }
}