Pith Number

pith:5W2FXNJZ

pith:2018:5W2FXNJZFS6ORJIKRHHZGKM7ID

not attested not anchored not stored refs pending

Compression-Based ECG Biometric Identification Using a Non-fiducial Approach

Armando J. Pinho, Jo\~ao M. Carvalho, Susana Br\'as

arxiv:1804.00959 v1 · 2018-03-15 · 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{5W2FXNJZFS6ORJIKRHHZGKM7ID}

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	2026-05-18T00:19:31.678565Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

edb45bb5392cbce8a50a89cf93299f40cbedd95dad5fea6749daf02781041cda

Aliases

arxiv: 1804.00959 · arxiv_version: 1804.00959v1 · doi: 10.48550/arxiv.1804.00959 · pith_short_12: 5W2FXNJZFS6O · pith_short_16: 5W2FXNJZFS6ORJIK · pith_short_8: 5W2FXNJZ

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/5W2FXNJZFS6ORJIKRHHZGKM7ID \
  | 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: edb45bb5392cbce8a50a89cf93299f40cbedd95dad5fea6749daf02781041cda

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "65f1aa44c02a234f8ae6e1613c8393e818d3441f89333fe91f766046f4abf817",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2018-03-15T13:52:09Z",
    "title_canon_sha256": "0619331785a57b9397dea22df3cf1dbd71a24c6066ec1d47a447d83859895228"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.00959",
    "kind": "arxiv",
    "version": 1
  }
}