Pith Number

pith:ENHL2HYG

pith:2019:ENHL2HYG2VVHTTRVVLNSVGLKEF

not attested not anchored not stored refs pending

A Machine Learning Framework for Biometric Authentication using Electrocardiogram

Chan Yeob Yeun, Ernesto Damiani, Nai-Wei Lo, Song-Kyoo Kim

arxiv:1903.12340 v3 · 2019-03-29 · cs.CR · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ENHL2HYG2VVHTTRVVLNSVGLKEF}

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	2026-07-04T23:51:21.821120Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

234ebd1f06d56a79ce35aadb2a996a217146dc4f363faa7e6d916177c7c8c8a4

Aliases

arxiv: 1903.12340 · arxiv_version: 1903.12340v3 · doi: 10.48550/arxiv.1903.12340 · pith_short_12: ENHL2HYG2VVH · pith_short_16: ENHL2HYG2VVHTTRV · pith_short_8: ENHL2HYG

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/ENHL2HYG2VVHTTRVVLNSVGLKEF \
  | 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: 234ebd1f06d56a79ce35aadb2a996a217146dc4f363faa7e6d916177c7c8c8a4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e51023ac0dd9a0e15eaf79822f51d38922accdaeb47be76741f0878c678e06e6",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2019-03-29T03:27:13Z",
    "title_canon_sha256": "1258d68993d0926e26700ef93f840c27aebbc338aad22d5596245ac2f1dad779"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.12340",
    "kind": "arxiv",
    "version": 3
  }
}