Pith Number

pith:HMA2TV5F

pith:2021:HMA2TV5FRYJ6R5VDL5COUN67KX

not attested not anchored not stored refs pending

Physical Layer Anonymous Precoding: The Path to Privacy-Preserving Communications

Athina P. Petropulu, Christos Masouros, H. Vincent Poor, Lajos Hanzo, Zhongxiang Wei

arxiv:2109.08876 v1 · 2021-09-18 · eess.SP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HMA2TV5FRYJ6R5VDL5COUN67KX}

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	2026-07-05T03:15:39.289126Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3b01a9d7a58e13e8f6a35f44ea37df55fdffcd65cb24987e45552237148d5435

Aliases

arxiv: 2109.08876 · arxiv_version: 2109.08876v1 · doi: 10.48550/arxiv.2109.08876 · pith_short_12: HMA2TV5FRYJ6 · pith_short_16: HMA2TV5FRYJ6R5VD · pith_short_8: HMA2TV5F

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/HMA2TV5FRYJ6R5VDL5COUN67KX \
  | 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: 3b01a9d7a58e13e8f6a35f44ea37df55fdffcd65cb24987e45552237148d5435

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5e9226b58e24863ae07e62825ebe14dcb8f2c4d1763303a6d90a33ab56c8da37",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2021-09-18T08:20:59Z",
    "title_canon_sha256": "219232e7b168aedb131b920ef3ec26556af47db87e07d5a8496bb1cfdc70282c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.08876",
    "kind": "arxiv",
    "version": 1
  }
}