Pith Number

pith:HNUIR7TT

pith:2018:HNUIR7TTHVQQREJBACKWG4LVRJ

not attested not anchored not stored refs pending

An Anchor-Free Region Proposal Network for Faster R-CNN based Text Detection Approaches

Lei Sun, Qiang Huo, Zhuoyao Zhong

arxiv:1804.09003 v1 · 2018-04-24 · 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{HNUIR7TTHVQQREJBACKWG4LVRJ}

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	2026-05-18T00:17:36.619984Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3b6888fe733d6108912100956371758a458238eeb7542e65d7dc388185d2437a

Aliases

arxiv: 1804.09003 · arxiv_version: 1804.09003v1 · doi: 10.48550/arxiv.1804.09003 · pith_short_12: HNUIR7TTHVQQ · pith_short_16: HNUIR7TTHVQQREJB · pith_short_8: HNUIR7TT

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/HNUIR7TTHVQQREJBACKWG4LVRJ \
  | 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: 3b6888fe733d6108912100956371758a458238eeb7542e65d7dc388185d2437a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5a06c8ec8b28d414bf83d16904e93144ac540edbdeba6b73070db7581ddda12b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2018-04-24T13:08:32Z",
    "title_canon_sha256": "9d2af146bfae8adbc06dc71d43f0815c376a67357d9bd7b005d0d12f6c0cf9f4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.09003",
    "kind": "arxiv",
    "version": 1
  }
}