Pith Number

pith:5EVQBLWY

pith:2023:5EVQBLWYTANVSXIOFKR3WKKX4L

not attested not anchored not stored refs pending

Machine learning and Topological data analysis identify unique features of human papillae in 3D scans

Anwesha Sarkar, Rayna Andreeva, Rik Sarkar

arxiv:2307.06255 v2 · 2023-07-12 · cs.LG · math.AT · math.DG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5EVQBLWYTANVSXIOFKR3WKKX4L}

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	2026-07-05T07:23:58.792228Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e92b00aed8981b595d0e2aa3bb2957e2d908eeda422d513282222ee3394513fc

Aliases

arxiv: 2307.06255 · arxiv_version: 2307.06255v2 · doi: 10.48550/arxiv.2307.06255 · pith_short_12: 5EVQBLWYTANV · pith_short_16: 5EVQBLWYTANVSXIO · pith_short_8: 5EVQBLWY

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/5EVQBLWYTANVSXIOFKR3WKKX4L \
  | 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: e92b00aed8981b595d0e2aa3bb2957e2d908eeda422d513282222ee3394513fc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "227f684bad3aa05c48b19fbf00643bf4c4eb5eb772fc5e5c9637984c458da47d",
    "cross_cats_sorted": [
      "math.AT",
      "math.DG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2023-07-12T15:50:38Z",
    "title_canon_sha256": "30e1a8203678ac4009cab021f51b6c5827388db0a531517123066b61b646959d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2307.06255",
    "kind": "arxiv",
    "version": 2
  }
}