Pith Number

pith:7PHXSTL4

pith:2025:7PHXSTL4XKEJVRLKXI3NFIC77K

not attested not anchored not stored refs pending

Semi-rPPG: Semi-Supervised Remote Physiological Measurement with Curriculum Pseudo-Labeling

Bingjie Wu, Chaoqi Luo, Rick Siow Mong Goh, Wei Liu, Yiping Xie, Yong Liu, Zitong Yu

arxiv:2502.03855 v1 · 2025-02-06 · 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{7PHXSTL4XKEJVRLKXI3NFIC77K}

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	2026-07-05T10:10:15.928656Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fbcf794d7cba889ac56aba36d2a05ffa8274d38a58664632799528af71dc9610

Aliases

arxiv: 2502.03855 · arxiv_version: 2502.03855v1 · doi: 10.48550/arxiv.2502.03855 · pith_short_12: 7PHXSTL4XKEJ · pith_short_16: 7PHXSTL4XKEJVRLK · pith_short_8: 7PHXSTL4

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/7PHXSTL4XKEJVRLKXI3NFIC77K \
  | 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: fbcf794d7cba889ac56aba36d2a05ffa8274d38a58664632799528af71dc9610

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "80f06d52cfcbb275f444f6a692dccbd48809f0ac1c7f0a4734db029ec466d48d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2025-02-06T08:16:08Z",
    "title_canon_sha256": "2665a98eee6a7a94e737a759a201c3844849cf7b88a7932324615314ba6facca"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.03855",
    "kind": "arxiv",
    "version": 1
  }
}