Pith Number

pith:CMDDS6BC

pith:2018:CMDDS6BC2SFLUZ5MQEW6GFSKSK

not attested not anchored not stored refs pending

Cardiovascular function and ballistocardiogram: a relationship interpreted via mathematical modeling

Giovanna Guidoboni, James Keller, Laurel Despins, Lorenzo Sala, Marcela Szopos, Marjorie Skubic, Mihail Popescu, Moein Enayati, Riccardo Sacco, Virginia H. Huxley

arxiv:1811.01044 v2 · 2018-11-02 · physics.med-ph · physics.bio-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{CMDDS6BC2SFLUZ5MQEW6GFSKSK}

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	2026-05-17T23:55:42.484567Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1306397822d48aba67ac812de3164a929c65a523ac470e975ff11e4a0d4a8c7c

Aliases

arxiv: 1811.01044 · arxiv_version: 1811.01044v2 · doi: 10.48550/arxiv.1811.01044 · pith_short_12: CMDDS6BC2SFL · pith_short_16: CMDDS6BC2SFLUZ5M · pith_short_8: CMDDS6BC

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/CMDDS6BC2SFLUZ5MQEW6GFSKSK \
  | 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: 1306397822d48aba67ac812de3164a929c65a523ac470e975ff11e4a0d4a8c7c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6d18dbbcb7db0bd39eaad085a53c5d73a268f623ca3f2805e1d37311b839e26f",
    "cross_cats_sorted": [
      "physics.bio-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.med-ph",
    "submitted_at": "2018-11-02T18:52:04Z",
    "title_canon_sha256": "bea5181eadb320df6862329e888c61e5cb50c1ebd8d080c7424cb4f2808d0951"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.01044",
    "kind": "arxiv",
    "version": 2
  }
}