Pith Number

pith:EF6L5NL5

pith:2021:EF6L5NL5CXEY7GSZMS2ORFOV7R

not attested not anchored not stored refs pending

InaudibleKey: Generic Inaudible Acoustic Signal based Key Agreement Protocol for Mobile Devices

Albert Y. Zomaya, Bo Wei, Chengwen Luo, Jia Wang, Wanli Xue, Wei Li, Weitao Xu, Xiaotong Yu, Zhenjiang Li

arxiv:2102.10908 v2 · 2021-02-22 · cs.NI · 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{EF6L5NL5CXEY7GSZMS2ORFOV7R}

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	2026-07-05T02:26:29.113845Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

217cbeb57d15c98f9a5964b4e895d5fc6d094d25efa7a537d49116081b1f79d8

Aliases

arxiv: 2102.10908 · arxiv_version: 2102.10908v2 · doi: 10.48550/arxiv.2102.10908 · pith_short_12: EF6L5NL5CXEY · pith_short_16: EF6L5NL5CXEY7GSZ · pith_short_8: EF6L5NL5

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/EF6L5NL5CXEY7GSZMS2ORFOV7R \
  | 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: 217cbeb57d15c98f9a5964b4e895d5fc6d094d25efa7a537d49116081b1f79d8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5e7def7b328f2ea116e0887ab20d91edf8c4adaab74e8009458a9ddef3ab8357",
    "cross_cats_sorted": [
      "cs.CR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NI",
    "submitted_at": "2021-02-22T11:23:50Z",
    "title_canon_sha256": "2e48465362d98ba4935f53425e21c3a86408fa4389e1ae336b4f2941ea752632"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2102.10908",
    "kind": "arxiv",
    "version": 2
  }
}