Pith Number

pith:4VXR62KH

pith:2019:4VXR62KHGKUUHDDOT75CFQX6V2

not attested not anchored not stored refs pending

The tear turnover and tear clearance tests - a review

Alejandro Cervino Exposito, D. Robert Iskander, Izabela K. Garaszczuk, Robert Montes Mico

arxiv:1902.04963 v1 · 2019-02-13 · 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{4VXR62KHGKUUHDDOT75CFQX6V2}

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	2026-05-17T23:54:03.776624Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e56f1f694732a9438c6e9ffa22c2feae9253f76731df3d48a7ff6abfc3434309

Aliases

arxiv: 1902.04963 · arxiv_version: 1902.04963v1 · doi: 10.48550/arxiv.1902.04963 · pith_short_12: 4VXR62KHGKUU · pith_short_16: 4VXR62KHGKUUHDDO · pith_short_8: 4VXR62KH

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/4VXR62KHGKUUHDDOT75CFQX6V2 \
  | 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: e56f1f694732a9438c6e9ffa22c2feae9253f76731df3d48a7ff6abfc3434309

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "402b8f42ac466f31b7b11469740d96dc9185db7eb673261a20861906ff0ac6da",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.med-ph",
    "submitted_at": "2019-02-13T15:48:14Z",
    "title_canon_sha256": "59108f9507626e44e15d7e2d36b150cd9c1915c9f1ab0e0eb8e3dcd9cdeb58f7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.04963",
    "kind": "arxiv",
    "version": 1
  }
}