Pith Number

pith:AP4JFNCI

pith:2020:AP4JFNCIIJYT5U7UJ2V2LP25B7

not attested not anchored not stored refs pending

CNN-based Density Estimation and Crowd Counting: A Survey

Guangshuai Gao, Junyu Gao, Qingjie Liu, Qi Wang, Yunhong Wang

arxiv:2003.12783 v1 · 2020-03-28 · 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{AP4JFNCIIJYT5U7UJ2V2LP25B7}

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.

Cited by

1 paper in Pith

MaxSketch: Robust Distinct Counting in Streams via Random Projections

Receipt and verification

First computed	2026-07-05T00:51:09.852682Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

03f892b44842713ed3f44eaba5bf5d0fec1c4e31a9abfe1b3b4bee07c4dc8804

Aliases

arxiv: 2003.12783 · arxiv_version: 2003.12783v1 · doi: 10.48550/arxiv.2003.12783 · pith_short_12: AP4JFNCIIJYT · pith_short_16: AP4JFNCIIJYT5U7U · pith_short_8: AP4JFNCI

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/AP4JFNCIIJYT5U7UJ2V2LP25B7 \
  | 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: 03f892b44842713ed3f44eaba5bf5d0fec1c4e31a9abfe1b3b4bee07c4dc8804

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6b56b904d08fab3402e0262e52df16fb4d56f555a958791212436c2704c5032b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2020-03-28T13:17:30Z",
    "title_canon_sha256": "36e6db8c1c9d3933851a3dd63963bd39af6dbddede4da5d2b5067b5deb4c56c2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2003.12783",
    "kind": "arxiv",
    "version": 1
  }
}