Pith Number

pith:QRKSRE24

pith:2017:QRKSRE24TL5R4ANCBGQVLMKO5M

not attested not anchored not stored refs pending

Covert Communication in Fading Channels under Channel Uncertainty

Khurram Shahzad, Shihao Yan, Xiangyun Zhou

arxiv:1703.02169 v1 · 2017-03-07 · 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{QRKSRE24TL5R4ANCBGQVLMKO5M}

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	2026-05-18T00:49:20.570348Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

845528935c9afb1e01a209a155b14eeb106afd768a40288c1d0ad8efa0885ecb

Aliases

arxiv: 1703.02169 · arxiv_version: 1703.02169v1 · doi: 10.48550/arxiv.1703.02169 · pith_short_12: QRKSRE24TL5R · pith_short_16: QRKSRE24TL5R4ANC · pith_short_8: QRKSRE24

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/QRKSRE24TL5R4ANCBGQVLMKO5M \
  | 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: 845528935c9afb1e01a209a155b14eeb106afd768a40288c1d0ad8efa0885ecb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "872cf5e76779458953d2713f7cb3504f250e0d94631d5ed8829bae803c4c6b90",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2017-03-07T01:25:36Z",
    "title_canon_sha256": "d3c530aadae74f80562260f953f09ab6c3a6b68fdd7d520c7b8ce30ff8defbfb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.02169",
    "kind": "arxiv",
    "version": 1
  }
}