Pith Number

pith:X2LR6OAW

pith:2016:X2LR6OAWG7NVFWENFVRB6K2WFB

not attested not anchored not stored refs pending

Extract fetal ECG from single-lead abdominal ECG by de-shape short time Fourier transform and nonlocal median

Hau-Tieng Wu, Su Li

arxiv:1609.02938 v1 · 2016-09-09 · q-bio.QM · physics.data-an · stat.AP · stat.ME · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{X2LR6OAWG7NVFWENFVRB6K2WFB}

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	2026-05-18T01:04:49.312310Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

be971f381637db52d88d2d621f2b562856ec9e7422c00908a0264022eb9755ed

Aliases

arxiv: 1609.02938 · arxiv_version: 1609.02938v1 · doi: 10.48550/arxiv.1609.02938 · pith_short_12: X2LR6OAWG7NV · pith_short_16: X2LR6OAWG7NVFWEN · pith_short_8: X2LR6OAW

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/X2LR6OAWG7NVFWENFVRB6K2WFB \
  | 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: be971f381637db52d88d2d621f2b562856ec9e7422c00908a0264022eb9755ed

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3e99ec885856cd9d83bc03d21c5de213e012f6caa1b63a4749586d22286baae6",
    "cross_cats_sorted": [
      "physics.data-an",
      "stat.AP",
      "stat.ME",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.QM",
    "submitted_at": "2016-09-09T20:26:31Z",
    "title_canon_sha256": "a936b70159c34dd288b1f37729f0da21fcf6c9d0323c105f42f3a1e2eff006f5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.02938",
    "kind": "arxiv",
    "version": 1
  }
}