Pith Number

pith:UKHUJDOG

pith:2018:UKHUJDOG5LUCQEFIMTNE4RDKOA

not attested not anchored not stored refs pending

A parametric model for the changes in the complex valued conductivity of a lung during tidal breathing

Andreas Waldman, Beat M\"uller, Daniel Sj\"oberg, Davood Khodadad, Inez Frerichs, Louiza Sophocleous, Mariana Dalarsson, Nima Seifnaraghi, Richard Bayford, Sven Nordebo, Tobias Becher

arxiv:1801.01376 v1 · 2018-01-04 · physics.bio-ph · 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{UKHUJDOG5LUCQEFIMTNE4RDKOA}

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	2026-05-18T00:15:18.955381Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a28f448dc6eae82810a864da4e446a700678caedf3e809c507884ee5db39c11a

Aliases

arxiv: 1801.01376 · arxiv_version: 1801.01376v1 · doi: 10.48550/arxiv.1801.01376 · pith_short_12: UKHUJDOG5LUC · pith_short_16: UKHUJDOG5LUCQEFI · pith_short_8: UKHUJDOG

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/UKHUJDOG5LUCQEFIMTNE4RDKOA \
  | 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: a28f448dc6eae82810a864da4e446a700678caedf3e809c507884ee5db39c11a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "411012f6575167c3985b675f25a0eed42f1ad741a5c213965bd26581b2a79218",
    "cross_cats_sorted": [
      "physics.med-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.bio-ph",
    "submitted_at": "2018-01-04T14:49:16Z",
    "title_canon_sha256": "7ae69599546f7f48b0e112e9f312d2d5ded3e4e12290f17f1cbf98d7fc55d585"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.01376",
    "kind": "arxiv",
    "version": 1
  }
}