Pith Number

pith:DDPJFQUK

pith:2020:DDPJFQUKJET7EI3SZM6RTF2G4F

not attested not anchored not stored refs pending

MetaPhys: Few-Shot Adaptation for Non-Contact Physiological Measurement

Daniel McDuff, Josh Fromm, Shwetak Patel, Xin Liu, Xuhai Xu, Ziheng Jiang

arxiv:2010.01773 v3 · 2020-10-05 · cs.CV · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DDPJFQUKJET7EI3SZM6RTF2G4F}

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	2026-07-05T02:20:42.298429Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

18de92c28a4927f22372cb3d199746e140fe79fa1d7671cd439102f41f91ff06

Aliases

arxiv: 2010.01773 · arxiv_version: 2010.01773v3 · doi: 10.48550/arxiv.2010.01773 · pith_short_12: DDPJFQUKJET7 · pith_short_16: DDPJFQUKJET7EI3S · pith_short_8: DDPJFQUK

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/DDPJFQUKJET7EI3SZM6RTF2G4F \
  | 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: 18de92c28a4927f22372cb3d199746e140fe79fa1d7671cd439102f41f91ff06

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4ccb29e6cea7b624bc7064c1e534f95677934ee10fec705722ba27361442bb8c",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2020-10-05T04:41:03Z",
    "title_canon_sha256": "099ed47359657463e7e19c7cab4c9d4151b03e19f412865ae3d352d9a24ef15a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2010.01773",
    "kind": "arxiv",
    "version": 3
  }
}