Pith Number

pith:UWCX7IDO

pith:2018:UWCX7IDO2T53WTRZUZRZJV7BGL

not attested not anchored not stored refs pending

Crowd Sourcing based Active Learning Approach for Parking Sign Recognition

Humayun Irshad, Jennifer Prendki, Qazaleh Mirsharif

arxiv:1812.01081 v1 · 2018-12-03 · 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{UWCX7IDO2T53WTRZUZRZJV7BGL}

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	2026-05-17T23:59:13.366753Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a5857fa06ed4fbbb4e39a66394d7e132da849351c6c5d5e51f0e2e94c8485c69

Aliases

arxiv: 1812.01081 · arxiv_version: 1812.01081v1 · doi: 10.48550/arxiv.1812.01081 · pith_short_12: UWCX7IDO2T53 · pith_short_16: UWCX7IDO2T53WTRZ · pith_short_8: UWCX7IDO

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/UWCX7IDO2T53WTRZUZRZJV7BGL \
  | 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: a5857fa06ed4fbbb4e39a66394d7e132da849351c6c5d5e51f0e2e94c8485c69

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "33f8538981a9e938c1a075359ae7329bdb6df39cdb4e12482b52986cf8d121fc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2018-12-03T21:04:41Z",
    "title_canon_sha256": "46f49093d62640eb73a9f65a42be41eb25ff89751c147539ed7f8e69af6e6bdf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.01081",
    "kind": "arxiv",
    "version": 1
  }
}