Pith Number

pith:T6KS5LJT

pith:2017:T6KS5LJTT5HH4MCTOUVONOWV6I

not attested not anchored not stored refs pending

Fast Shadow Detection from a Single Image Using a Patched Convolutional Neural Network

Hong Zhang, Moein Shakeri, Sepideh Hosseinzadeh

arxiv:1709.09283 v2 · 2017-09-26 · 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{T6KS5LJTT5HH4MCTOUVONOWV6I}

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	2026-05-18T00:20:46.712571Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9f952ead339f4e7e3053752ae6bad5f23b231a167fd53812b32981e15f7e33c9

Aliases

arxiv: 1709.09283 · arxiv_version: 1709.09283v2 · doi: 10.48550/arxiv.1709.09283 · pith_short_12: T6KS5LJTT5HH · pith_short_16: T6KS5LJTT5HH4MCT · pith_short_8: T6KS5LJT

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/T6KS5LJTT5HH4MCTOUVONOWV6I \
  | 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: 9f952ead339f4e7e3053752ae6bad5f23b231a167fd53812b32981e15f7e33c9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bb88f9ce52e101e466e34e44212a3c4c14725f3301535768dc3d0250e3218c39",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2017-09-26T23:20:42Z",
    "title_canon_sha256": "8f5cde96408ba0f8fa1087f77653d3a52e0959a444304d7b4307ae3b5af276e4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.09283",
    "kind": "arxiv",
    "version": 2
  }
}