Pith Number

pith:FO2WGWRT

pith:2015:FO2WGWRT5WHP6HWKMKCDWZSWLJ

not attested not anchored not stored refs pending

Entropy Production and the Pressure-Volume Curve of the Lung

Asc\^anio D. Ara\'ujo, B\'ela Suki, Cl\'audio L. N. Oliveira, Jason H. T. Bates, Jos\'e S. Andrade Jr.

arxiv:1509.08573 v1 · 2015-09-29 · physics.bio-ph · q-bio.TO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FO2WGWRT5WHP6HWKMKCDWZSWLJ}

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	2026-05-18T01:19:57.233414Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2bb5635a33ed8eff1eca62843b66565a64758f12a1930b58ce7b00665bb48151

Aliases

arxiv: 1509.08573 · arxiv_version: 1509.08573v1 · doi: 10.48550/arxiv.1509.08573 · pith_short_12: FO2WGWRT5WHP · pith_short_16: FO2WGWRT5WHP6HWK · pith_short_8: FO2WGWRT

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/FO2WGWRT5WHP6HWKMKCDWZSWLJ \
  | 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: 2bb5635a33ed8eff1eca62843b66565a64758f12a1930b58ce7b00665bb48151

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "41475f0c17a5e6eac3fef39360c71a2d22490de741eb393af1b2cc3ca94dbc3d",
    "cross_cats_sorted": [
      "q-bio.TO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.bio-ph",
    "submitted_at": "2015-09-29T02:58:59Z",
    "title_canon_sha256": "4d518c5ba2d346e31bd064c7ad8a953fa9c450b140ccda051bb9b9ed7a503787"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.08573",
    "kind": "arxiv",
    "version": 1
  }
}