Pith Number

pith:6LD4IT7L

pith:2018:6LD4IT7LWNYCBQHINO32ZTOO6H

not attested not anchored not stored refs pending

Estimation and Tracking of AP-diameter of the Inferior Vena Cava in Ultrasound Images Using a Novel Active Circle Algorithm

Andrew Smith, Ebrahim Karami, Mohamed Shehata

arxiv:1805.02125 v3 · 2018-05-05 · cs.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6LD4IT7LWNYCBQHINO32ZTOO6H}

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	2026-05-18T00:08:30.981309Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f2c7c44febb37020c0e86bb7accdcef1e229ddf753e56e9e7c198076c162a0d1

Aliases

arxiv: 1805.02125 · arxiv_version: 1805.02125v3 · doi: 10.48550/arxiv.1805.02125 · pith_short_12: 6LD4IT7LWNYC · pith_short_16: 6LD4IT7LWNYCBQHI · pith_short_8: 6LD4IT7L

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/6LD4IT7LWNYCBQHINO32ZTOO6H \
  | 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: f2c7c44febb37020c0e86bb7accdcef1e229ddf753e56e9e7c198076c162a0d1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5cbbbf57223f35aec4ad26dfdc3782856a2e9ce6e6384919bc9f6dc79127793c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2018-05-05T23:47:24Z",
    "title_canon_sha256": "aee4f807c696993c081f90437a70885458a54d3cc2458ff62f93692c90075b4e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.02125",
    "kind": "arxiv",
    "version": 3
  }
}