Pith Number

pith:O7OZGKU3

pith:2018:O7OZGKU34DKKR7UDZBQ2ZKJLUL

not attested not anchored not stored refs pending

Collaborative Pressure Ulcer Prevention: An Automated Skin Damage and Pressure Ulcer Assessment Tool for Nursing Professionals, Patients, Family Members and Carers

Carl Chalmers, David Tully, Paul Fergus

arxiv:1808.06503 v1 · 2018-08-17 · cs.CY · cs.LG · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{O7OZGKU34DKKR7UDZBQ2ZKJLUL}

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	2026-05-18T00:07:44.695716Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

77dd932a9be0d4a8fe83c861aca92ba2da05dcd6e0cbc46a261d609c1e7d96dc

Aliases

arxiv: 1808.06503 · arxiv_version: 1808.06503v1 · doi: 10.48550/arxiv.1808.06503 · pith_short_12: O7OZGKU34DKK · pith_short_16: O7OZGKU34DKKR7UD · pith_short_8: O7OZGKU3

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/O7OZGKU34DKKR7UDZBQ2ZKJLUL \
  | 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: 77dd932a9be0d4a8fe83c861aca92ba2da05dcd6e0cbc46a261d609c1e7d96dc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8afd5ae5a52de958b0e0f3002605c00e56f2a365e2706b554a6fca6b3dcc60f5",
    "cross_cats_sorted": [
      "cs.LG",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CY",
    "submitted_at": "2018-08-17T14:26:47Z",
    "title_canon_sha256": "80dc883a845fc7cdf3f17782afa5e1c279ac84f17ff5822431464764aca869f8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.06503",
    "kind": "arxiv",
    "version": 1
  }
}