Pith Number

pith:UTPDPK4H

pith:2021:UTPDPK4HWQPSWQTDXFJOZFA7XJ

not attested not anchored not stored refs pending

Multi-level reversible encryption for ECG signals using compressive sensing

Jenni Raitoharju, Mehmet Yama\c{c}, Mikko Impi\"o

arxiv:2104.05325 v1 · 2021-04-12 · 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{UTPDPK4HWQPSWQTDXFJOZFA7XJ}

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	2026-07-05T02:31:11.217550Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a4de37ab87b41f2b4263b952ec941fba77d86de0a22193ec3277a7633b42e0ef

Aliases

arxiv: 2104.05325 · arxiv_version: 2104.05325v1 · doi: 10.48550/arxiv.2104.05325 · pith_short_12: UTPDPK4HWQPS · pith_short_16: UTPDPK4HWQPSWQTD · pith_short_8: UTPDPK4H

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/UTPDPK4HWQPSWQTDXFJOZFA7XJ \
  | 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: a4de37ab87b41f2b4263b952ec941fba77d86de0a22193ec3277a7633b42e0ef

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d19265edfaad43c94ea46314fd5dd79f3e4e8425bf9511639f22245fcac923c7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2021-04-12T10:10:43Z",
    "title_canon_sha256": "016914c2e42d5c05d6dbf9ce0d21fba62e861c02a8f011977f7d5c99988cc359"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.05325",
    "kind": "arxiv",
    "version": 1
  }
}