Pith Number

pith:O4IDQJ6E

pith:2026:O4IDQJ6E6IANQYTZC7BKJMKCIQ

not attested not anchored not stored refs pending

Microdroplets Fail to Retain Exhaled Volatile Biomarkers within a Single Breath

Amio Pronoy Das Ritwik, Jingcheng Ma, Yamin Mansur

arxiv:2605.16356 v1 · 2026-05-08 · q-bio.QM · physics.med-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{O4IDQJ6E6IANQYTZC7BKJMKCIQ}

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	2026-05-20T00:02:18.109157Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

77103827c4f200d8627917c2a4b142442b5ec2fa376c93e9e0ee267ddcb58783

Aliases

arxiv: 2605.16356 · arxiv_version: 2605.16356v1 · doi: 10.48550/arxiv.2605.16356 · pith_short_12: O4IDQJ6E6IAN · pith_short_16: O4IDQJ6E6IANQYTZ · pith_short_8: O4IDQJ6E

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/O4IDQJ6E6IANQYTZC7BKJMKCIQ \
  | 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: 77103827c4f200d8627917c2a4b142442b5ec2fa376c93e9e0ee267ddcb58783

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b48f8f33b4efc4aded430c9f115ce3cc79dd6fbc161802e334074718034dbf65",
    "cross_cats_sorted": [
      "physics.med-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.QM",
    "submitted_at": "2026-05-08T21:56:50Z",
    "title_canon_sha256": "ed73b9ec3aa80bd6482bb52d80589d9e0f0e0d14347c41c314fe74cd493c418d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.16356",
    "kind": "arxiv",
    "version": 1
  }
}