Pith Number

pith:VK53OPVP

pith:2019:VK53OPVPRQL5H5SVQCJMYBDLWE

not attested not anchored not stored refs pending

Improved Visualisation of Patient-Specific Heart Structure Using Three-Dimensional Printing Coupled with Image-Processing Techniques Inspired by Astrophysical Methods

I. Brewis, J. A. McLaughlin

arxiv:1902.01233 v1 · 2019-02-01 · 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{VK53OPVPRQL5H5SVQCJMYBDLWE}

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	2026-05-17T23:54:49.352286Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

aabbb73eaf8c17d3f6558092cc046bb11e39dcdc83d2f38e13b5bbabbdc91c79

Aliases

arxiv: 1902.01233 · arxiv_version: 1902.01233v1 · doi: 10.48550/arxiv.1902.01233 · pith_short_12: VK53OPVPRQL5 · pith_short_16: VK53OPVPRQL5H5SV · pith_short_8: VK53OPVP

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/VK53OPVPRQL5H5SVQCJMYBDLWE \
  | 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: aabbb73eaf8c17d3f6558092cc046bb11e39dcdc83d2f38e13b5bbabbdc91c79

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f6ad3c27fa32cc6c8b1551da9c4a7a302cd10c7d9455c62061fefbd12f65b05c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.med-ph",
    "submitted_at": "2019-02-01T18:10:39Z",
    "title_canon_sha256": "8006055c7c44ee5c2cc90b75f4e740740b38bb1b432a2c2fe09f56b0c36439d9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.01233",
    "kind": "arxiv",
    "version": 1
  }
}