Pith Number

pith:7QXTL3HB

pith:2017:7QXTL3HBFRU6NA6DCBXJ5TO2WK

not attested not anchored not stored refs pending

Automatic Recognition of Coal and Gangue based on Convolution Neural Network

Huichao Hong, Jianqing Zhu, Kaiting Zhou, Lixin Zheng, Shuwan Pan

arxiv:1712.00720 v1 · 2017-12-03 · cs.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7QXTL3HBFRU6NA6DCBXJ5TO2WK}

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	2026-05-18T00:29:00.605739Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fc2f35ece12c69e683c3106e9ecddab299aeaab7d39afbaab36951c61f8bf9c9

Aliases

arxiv: 1712.00720 · arxiv_version: 1712.00720v1 · doi: 10.48550/arxiv.1712.00720 · pith_short_12: 7QXTL3HBFRU6 · pith_short_16: 7QXTL3HBFRU6NA6D · pith_short_8: 7QXTL3HB

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/7QXTL3HBFRU6NA6DCBXJ5TO2WK \
  | 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: fc2f35ece12c69e683c3106e9ecddab299aeaab7d39afbaab36951c61f8bf9c9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f6574072282b39894993c5432d6219c2ff993d7da0739e948ef27e53bb444a62",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2017-12-03T06:37:15Z",
    "title_canon_sha256": "f2444c552af4b748e60a4039bdec6f582e781c68825bc95811fe8928cc016a7a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.00720",
    "kind": "arxiv",
    "version": 1
  }
}