Pith Number

pith:263UMDMT

pith:2021:263UMDMTYRJ7T4PKDFUAATUAQJ

not attested not anchored not stored refs pending

Machine Learning-based Automatic Graphene Detection with Color Correction for Optical Microscope Images

Chia-Yu Lin, Hui-Ying Siao, Siyu Qi, Tse-Ming Chen, Yu-Chiang Hsieh, Zhi Ding

arxiv:2103.13495 v1 · 2021-03-24 · physics.app-ph · cond-mat.mes-hall · cs.LG · eess.IV · physics.data-an

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{263UMDMTYRJ7T4PKDFUAATUAQJ}

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	2026-07-05T02:26:19.637713Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d7b7460d93c453f9f1ea1968004e808256d43ed79e16239a60e61a06b960d1c0

Aliases

arxiv: 2103.13495 · arxiv_version: 2103.13495v1 · doi: 10.48550/arxiv.2103.13495 · pith_short_12: 263UMDMTYRJ7 · pith_short_16: 263UMDMTYRJ7T4PK · pith_short_8: 263UMDMT

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/263UMDMTYRJ7T4PKDFUAATUAQJ \
  | 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: d7b7460d93c453f9f1ea1968004e808256d43ed79e16239a60e61a06b960d1c0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9d246c62cf09ee08640eef77b6c14b7875b8220555e6ab0cf1cec23c6839b885",
    "cross_cats_sorted": [
      "cond-mat.mes-hall",
      "cs.LG",
      "eess.IV",
      "physics.data-an"
    ],
    "license": "http://creativecommons.org/publicdomain/zero/1.0/",
    "primary_cat": "physics.app-ph",
    "submitted_at": "2021-03-24T21:27:23Z",
    "title_canon_sha256": "4637b178c231e90cfbd5295be70fcd0625d724de80cbfbec0965c292da2b01c2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2103.13495",
    "kind": "arxiv",
    "version": 1
  }
}