Pith Number

pith:XQOUGM6H

pith:2026:XQOUGM6HZ3TJEX346FSUGLQZFK

not attested not anchored not stored refs pending

Time-varying rPPG signal separation via block-sparse signal model

Daisuke Sugimura, Kosuke Kurihara, Takayuki Hamamoto, Yoshihiro Maeda

arxiv:2605.22425 v1 · 2026-05-21 · eess.IV · cs.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XQOUGM6HZ3TJEX346FSUGLQZFK}

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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.

Cited by

1 paper in Pith

Time-varying rPPG signal separation via block-sparse signal model

Receipt and verification

First computed	2026-05-22T01:04:42.579997Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bc1d4333c7cee6925f7cf165432e192a92a7c9687e27e6a74f88cf0b00d1d314

Aliases

arxiv: 2605.22425 · arxiv_version: 2605.22425v1 · doi: 10.48550/arxiv.2605.22425 · pith_short_12: XQOUGM6HZ3TJ · pith_short_16: XQOUGM6HZ3TJEX34 · pith_short_8: XQOUGM6H

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/XQOUGM6HZ3TJEX346FSUGLQZFK \
  | 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: bc1d4333c7cee6925f7cf165432e192a92a7c9687e27e6a74f88cf0b00d1d314

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2b50b3159d7ce1ec2429621a660dcb833cb9f34aff12c8fea054ca6b4ba8a45c",
    "cross_cats_sorted": [
      "cs.CV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2026-05-21T12:44:01Z",
    "title_canon_sha256": "eb01b125dc2dabdd1261c3335bf327534a736949218bc8631a0b61016e48f92c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.22425",
    "kind": "arxiv",
    "version": 1
  }
}