Pith Number

pith:SOUP4NLD

pith:2024:SOUP4NLD4Q3AWLG7WQ47LEH25H

not attested not anchored not stored refs pending

Improving and Evaluating Machine Learning Methods for Forensic Shoeprint Matching

Anna Plantinga, Ashley Zheng, Divij Jain, Elizabeth Upton, Lena Liang, Saatvik Kher, Xizhen Cai, Yufeng Wu

arxiv:2405.14878 v1 · 2024-04-02 · eess.IV · cs.CV · cs.LG · stat.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SOUP4NLD4Q3AWLG7WQ47LEH25H}

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	2026-07-05T08:22:42.324878Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

93a8fe3563e4360b2cdfb439f590fae9e8ba08af689e97d30de3fc94f7d65db0

Aliases

arxiv: 2405.14878 · arxiv_version: 2405.14878v1 · doi: 10.48550/arxiv.2405.14878 · pith_short_12: SOUP4NLD4Q3A · pith_short_16: SOUP4NLD4Q3AWLG7 · pith_short_8: SOUP4NLD

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/SOUP4NLD4Q3AWLG7WQ47LEH25H \
  | 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: 93a8fe3563e4360b2cdfb439f590fae9e8ba08af689e97d30de3fc94f7d65db0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5d43741e709ca44b91ffadecf2c5a084d29d69abe438460a2d51f9d52db40db2",
    "cross_cats_sorted": [
      "cs.CV",
      "cs.LG",
      "stat.AP"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2024-04-02T15:24:25Z",
    "title_canon_sha256": "ea522698e4292ffecfbb7e75813b7d48ef821c9b92d8bb05d735685f00786bd6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2405.14878",
    "kind": "arxiv",
    "version": 1
  }
}