Pith Number

pith:ZU2MIBWV

pith:2019:ZU2MIBWVQDKCVDLJGBARKXYOXH

not attested not anchored not stored refs pending

Flexible and Comprehensive Patient-Specific Mitral Valve Silicone Models with Chordae Tendinae Made From 3D-Printable Molds

Bernhard Preim, Ivo Wolf, Matthias Karck, Raffaele De Simone, Sandy Engelhardt, Simon Sauerzapf

arxiv:1904.03704 v1 · 2019-04-07 · physics.med-ph · cs.CY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZU2MIBWVQDKCVDLJGBARKXYOXH}

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	2026-05-17T23:49:12.439891Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cd34c406d580d42a8d693041155f0eb9d4b757cbde1424847b4cebbbff82ad6d

Aliases

arxiv: 1904.03704 · arxiv_version: 1904.03704v1 · doi: 10.48550/arxiv.1904.03704 · pith_short_12: ZU2MIBWVQDKC · pith_short_16: ZU2MIBWVQDKCVDLJ · pith_short_8: ZU2MIBWV

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/ZU2MIBWVQDKCVDLJGBARKXYOXH \
  | 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: cd34c406d580d42a8d693041155f0eb9d4b757cbde1424847b4cebbbff82ad6d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "20b887c730f5de1b428653ee179d61fe9ce417d62762663b0737cbe9c864d920",
    "cross_cats_sorted": [
      "cs.CY"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "physics.med-ph",
    "submitted_at": "2019-04-07T18:19:54Z",
    "title_canon_sha256": "cda0697e582c0094be3c6539304ad97c193d506a6d81a29eb49e337e6d63c7a8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.03704",
    "kind": "arxiv",
    "version": 1
  }
}