Pith Number

pith:CR7CD4SH

pith:2025:CR7CD4SHGVYHI2T5V5P3I6Q3GN

not attested not anchored not stored refs pending

A Framework for Supervised and Unsupervised Segmentation and Classification of Materials Microstructure Images

Daniel W. Apley, Kungang Zhang, L. Catherine Brinson, Wei Chen, Wing K. Liu

arxiv:2502.07107 v2 · 2025-02-10 · stat.AP · cs.CV · 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{CR7CD4SHGVYHI2T5V5P3I6Q3GN}

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	2026-07-05T12:04:31.147452Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

147e21f2473570746a7daf5fb47a1b33685f70bd674ded02f7bcbee4830c679d

Aliases

arxiv: 2502.07107 · arxiv_version: 2502.07107v2 · doi: 10.48550/arxiv.2502.07107 · pith_short_12: CR7CD4SHGVYH · pith_short_16: CR7CD4SHGVYHI2T5 · pith_short_8: CR7CD4SH

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/CR7CD4SHGVYHI2T5V5P3I6Q3GN \
  | 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: 147e21f2473570746a7daf5fb47a1b33685f70bd674ded02f7bcbee4830c679d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "003c7cd2a2cc65d4c7ed8201616e91ff72cb5fe1cac807cd69f5dca888b9e74b",
    "cross_cats_sorted": [
      "cs.CV",
      "stat.ML"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "stat.AP",
    "submitted_at": "2025-02-10T23:05:35Z",
    "title_canon_sha256": "14fc3a033dcb73ea784ea90db5fc50c39c174582bd2946e35e9ea7dc394abcb6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.07107",
    "kind": "arxiv",
    "version": 2
  }
}