Pith Number

pith:PJAXM7JJ

pith:2017:PJAXM7JJKCVKBKG3YWCMKGEEIU

not attested not anchored not stored refs pending

How nonlinear-type time-frequency analysis can help in sensing instantaneous heart rate and instantaneous respiratory rate from photoplethysmography in a reliable way

Antonio Cicone, Hau-Tieng Wu

arxiv:1701.02072 v2 · 2017-01-09 · 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{PJAXM7JJKCVKBKG3YWCMKGEEIU}

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	2026-05-18T00:36:09.283903Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7a41767d2950aaa0a8dbc584c518844539eb51d106ad7d47299d8c97124a60dc

Aliases

arxiv: 1701.02072 · arxiv_version: 1701.02072v2 · doi: 10.48550/arxiv.1701.02072 · pith_short_12: PJAXM7JJKCVK · pith_short_16: PJAXM7JJKCVKBKG3 · pith_short_8: PJAXM7JJ

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/PJAXM7JJKCVKBKG3YWCMKGEEIU \
  | 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: 7a41767d2950aaa0a8dbc584c518844539eb51d106ad7d47299d8c97124a60dc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cbfa71674c41b13546d8c839673e83dc550172833617627351f8a624230ea501",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.NC",
    "submitted_at": "2017-01-09T06:39:31Z",
    "title_canon_sha256": "ac7b84790a3cda5459a2f2882223ff35b7cb2d01aaf9f7010731da9397945678"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.02072",
    "kind": "arxiv",
    "version": 2
  }
}