Pith Number

pith:IB4QTMFO

pith:2018:IB4QTMFOYAFS32JM7LK6NVNF2L

not attested not anchored not stored refs pending

Face Detection Using Improved Faster RCNN

Changzheng Zhang, Dandan Tu, Xiang Xu

arxiv:1802.02142 v1 · 2018-02-06 · 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{IB4QTMFOYAFS32JM7LK6NVNF2L}

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	2026-05-18T00:24:09.210597Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

407909b0aec00b2de92cfad5e6d5a5d2f4d3c5bbdcd9d50eb6321ff2f799f057

Aliases

arxiv: 1802.02142 · arxiv_version: 1802.02142v1 · doi: 10.48550/arxiv.1802.02142 · pith_short_12: IB4QTMFOYAFS · pith_short_16: IB4QTMFOYAFS32JM · pith_short_8: IB4QTMFO

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/IB4QTMFOYAFS32JM7LK6NVNF2L \
  | 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: 407909b0aec00b2de92cfad5e6d5a5d2f4d3c5bbdcd9d50eb6321ff2f799f057

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b0801884663deff2c137280044906cba0b9fa3cc618c14b57a65fe1220bb86e3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2018-02-06T05:25:02Z",
    "title_canon_sha256": "3400f55356ea5d8b681f2f74a543d3c58dd057cf11638510013e661e08a94669"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.02142",
    "kind": "arxiv",
    "version": 1
  }
}