Pith Number

pith:2M3TXVGB

pith:2020:2M3TXVGBLJ4J6AVNDKDAN4CMO5

not attested not anchored not stored refs pending

Mathematical Modeling and Computer Simulation of Needle Insertion into Soft Tissue

Adam Wittek, Benjamin F. Zwick, George Bourantas, Grand Joldes, Karol Miller, Lionel Esteban

arxiv:2002.08123 v2 · 2020-02-19 · 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{2M3TXVGBLJ4J6AVNDKDAN4CMO5}

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	2026-07-05T02:09:08.713262Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d3373bd4c15a789f02ad1a8606f04c776f5748e62482db93e0006ad536cdc0a4

Aliases

arxiv: 2002.08123 · arxiv_version: 2002.08123v2 · doi: 10.48550/arxiv.2002.08123 · pith_short_12: 2M3TXVGBLJ4J · pith_short_16: 2M3TXVGBLJ4J6AVN · pith_short_8: 2M3TXVGB

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/2M3TXVGBLJ4J6AVNDKDAN4CMO5 \
  | 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: d3373bd4c15a789f02ad1a8606f04c776f5748e62482db93e0006ad536cdc0a4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "268ffe5632ef38b097eb460cc20042f72bdedc1a1ef276b9752e85cb56a1da99",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.med-ph",
    "submitted_at": "2020-02-19T11:48:16Z",
    "title_canon_sha256": "21cc7d80f7f4e2dfe414a9831934c615e95b6a75381f2e1a4a2357bcfa446887"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2002.08123",
    "kind": "arxiv",
    "version": 2
  }
}