Pith Number

pith:IEHPUAMF

pith:2019:IEHPUAMFOJQPEKFMWZBLUEL6K6

not attested not anchored not stored refs pending

Crack Detection Using Enhanced Hierarchical Convolutional Neural Networks

Manh Duong Phung, Qiuchen Zhu, Quang Ha

arxiv:1912.12139 v1 · 2019-12-13 · cs.CV · cs.LG · eess.IV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IEHPUAMFOJQPEKFMWZBLUEL6K6}

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	2026-07-05T00:28:40.612640Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

410efa01857260f228acb642ba117e57a77434edfbed2e1191ab9535fe6b5832

Aliases

arxiv: 1912.12139 · arxiv_version: 1912.12139v1 · doi: 10.48550/arxiv.1912.12139 · pith_short_12: IEHPUAMFOJQP · pith_short_16: IEHPUAMFOJQPEKFM · pith_short_8: IEHPUAMF

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/IEHPUAMFOJQPEKFMWZBLUEL6K6 \
  | 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: 410efa01857260f228acb642ba117e57a77434edfbed2e1191ab9535fe6b5832

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a2b493ad73571175332d79795bcc4a65828722b3471d01f18f5e1713c1b8298b",
    "cross_cats_sorted": [
      "cs.LG",
      "eess.IV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-12-13T12:35:00Z",
    "title_canon_sha256": "6c11abc9ca92bf79c2e25f3a328db1a6f4362c0d5982a75377999d0fab731912"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1912.12139",
    "kind": "arxiv",
    "version": 1
  }
}