Pith Number

pith:ZPYLW6T3

pith:2020:ZPYLW6T3ELXXNF6JPFLUO2QR4P

not attested not anchored not stored refs pending

Density Map Guided Object Detection in Aerial Images

Changlin Li, Chen Chen, Shanyue Guan, Sijie Zhu, Taojiannan Yang

arxiv:2004.05520 v1 · 2020-04-12 · 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{ZPYLW6T3ELXXNF6JPFLUO2QR4P}

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	2026-07-05T00:54:37.909342Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cbf0bb7a7b22ef7697c97957476a11e3cbd41af41f2dbe5e9f0ca543b67bd2f6

Aliases

arxiv: 2004.05520 · arxiv_version: 2004.05520v1 · doi: 10.48550/arxiv.2004.05520 · pith_short_12: ZPYLW6T3ELXX · pith_short_16: ZPYLW6T3ELXXNF6J · pith_short_8: ZPYLW6T3

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/ZPYLW6T3ELXXNF6JPFLUO2QR4P \
  | 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: cbf0bb7a7b22ef7697c97957476a11e3cbd41af41f2dbe5e9f0ca543b67bd2f6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6a71d480f036b0c58611da93cbe668d5aef279749840ead32b359e0fcbfcbea1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2020-04-12T01:32:00Z",
    "title_canon_sha256": "a7de715b4631d873fbcaaf2044d282be75864058924076abbf4ff485cbe47522"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2004.05520",
    "kind": "arxiv",
    "version": 1
  }
}