Pith Number

pith:6KE7IW75

pith:2016:6KE7IW75RD344ODYDVDK6DEXIP

not attested not anchored not stored refs pending

A feasibility study for a persistent homology based k-Nearest Neighbor search algorithm in melanoma detection

Andrea Visotti, Ignazio Stanganelli, Ivan Tomba, Massimo Ferri

arxiv:1605.09781 v1 · 2016-04-04 · q-bio.QM · math.AT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6KE7IW75RD344ODYDVDK6DEXIP}

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	2026-05-18T01:13:10.172263Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f289f45bfd88f7ce38781d46af0c9743d7a67b9345d241395faa59de48b0b589

Aliases

arxiv: 1605.09781 · arxiv_version: 1605.09781v1 · doi: 10.48550/arxiv.1605.09781 · pith_short_12: 6KE7IW75RD34 · pith_short_16: 6KE7IW75RD344ODY · pith_short_8: 6KE7IW75

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/6KE7IW75RD344ODYDVDK6DEXIP \
  | 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: f289f45bfd88f7ce38781d46af0c9743d7a67b9345d241395faa59de48b0b589

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5eb5847d317852bf0853a8669156cfb1e9651bbd89020bcbd288ce5b4432a61a",
    "cross_cats_sorted": [
      "math.AT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.QM",
    "submitted_at": "2016-04-04T17:16:47Z",
    "title_canon_sha256": "4357fad698d9275d44fdbd9bc8d9ed0417c94654ab42ce302d2f442e581a8d0e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1605.09781",
    "kind": "arxiv",
    "version": 1
  }
}