Pith Number

pith:RRTBHSBE

pith:2018:RRTBHSBEMNZSBMYVHUYAJDRSG7

not attested not anchored not stored refs pending

Instant Automated Inference of Perceived Mental Stress through Smartphone PPG and Thermal Imaging

Nadia Bianchi-Berthouze, Simon J. Julier, Youngjun Cho

arxiv:1901.00449 v1 · 2018-12-21 · physics.med-ph · cs.CV · cs.HC · q-bio.NC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RRTBHSBEMNZSBMYVHUYAJDRSG7}

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	2026-05-17T23:57:03.835434Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8c6613c824637320b3153d30048e3237e41b746757feda0c5261a3511e602d03

Aliases

arxiv: 1901.00449 · arxiv_version: 1901.00449v1 · doi: 10.48550/arxiv.1901.00449 · pith_short_12: RRTBHSBEMNZS · pith_short_16: RRTBHSBEMNZSBMYV · pith_short_8: RRTBHSBE

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/RRTBHSBEMNZSBMYVHUYAJDRSG7 \
  | 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: 8c6613c824637320b3153d30048e3237e41b746757feda0c5261a3511e602d03

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ee340435e64e31c8ab045487ebb761f2fba131a223df91b5af706905ef643ca9",
    "cross_cats_sorted": [
      "cs.CV",
      "cs.HC",
      "q-bio.NC"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "physics.med-ph",
    "submitted_at": "2018-12-21T00:49:11Z",
    "title_canon_sha256": "22e6c219e126ea2342d683acf4607645fd2e03caf506740cd521d04d191c951f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.00449",
    "kind": "arxiv",
    "version": 1
  }
}