Pith Number

pith:FFVUSA6B

pith:2026:FFVUSA6BCI3NZHSAJVNCCP4VKW

not attested not anchored not stored refs pending

Heart Artifact Removal in Electrohysterography Measurements Using Algebraic Differentiators

Amine Othmane, Jana Hutter, Johannes Steuer, Maria Camila Bustos Vivas

arxiv:2603.18949 v2 · 2026-03-19 · eess.SY · cs.SY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FFVUSA6BCI3NZHSAJVNCCP4VKW}

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	2026-06-09T01:05:16.191485Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

296b4903c11236dc9e404d5a213f95559fc58982e96a938c92e6070e61ce4db4

Aliases

arxiv: 2603.18949 · arxiv_version: 2603.18949v2 · doi: 10.48550/arxiv.2603.18949 · pith_short_12: FFVUSA6BCI3N · pith_short_16: FFVUSA6BCI3NZHSA · pith_short_8: FFVUSA6B

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/FFVUSA6BCI3NZHSAJVNCCP4VKW \
  | 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: 296b4903c11236dc9e404d5a213f95559fc58982e96a938c92e6070e61ce4db4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "64526fab28b68309d828f0d574d5b1379249d0154f39dbf578f42cdd26695000",
    "cross_cats_sorted": [
      "cs.SY"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "eess.SY",
    "submitted_at": "2026-03-19T14:22:37Z",
    "title_canon_sha256": "ca59a1d9c939a658e51a692f2c42c12e0aa5ea67fb83a37112652175bbc1292b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2603.18949",
    "kind": "arxiv",
    "version": 2
  }
}