Pith Number

pith:GBQJOVK4

pith:2019:GBQJOVK4K4RKOALGF4KZJMNRRZ

not attested not anchored not stored refs pending

Challenges in Covert Wireless Communications with Active Warden on AWGN channels

Jiajia Liu, Jianfeng Ma, Qiping Huang, Yong Zeng, Zhihong Liu, Zhuo Ma

arxiv:1901.03185 v1 · 2019-01-09 · cs.CR

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GBQJOVK4K4RKOALGF4KZJMNRRZ}

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	2026-05-17T23:56:35.305403Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

306097555c5722a701662f1594b1b18e5f656289ad603a16eb4d8b5907f39877

Aliases

arxiv: 1901.03185 · arxiv_version: 1901.03185v1 · doi: 10.48550/arxiv.1901.03185 · pith_short_12: GBQJOVK4K4RK · pith_short_16: GBQJOVK4K4RKOALG · pith_short_8: GBQJOVK4

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/GBQJOVK4K4RKOALGF4KZJMNRRZ \
  | 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: 306097555c5722a701662f1594b1b18e5f656289ad603a16eb4d8b5907f39877

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0b55183d4f7916fa393c5ea3a18b322ec78521e2bbf653cff55d223423184258",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2019-01-09T03:22:32Z",
    "title_canon_sha256": "5cfe5013a9237eda8847a1a7af50dd4432a295acd38eb50eb6fddf2a0f6b47de"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.03185",
    "kind": "arxiv",
    "version": 1
  }
}