Pith Number

pith:AWO2AIHL

pith:2021:AWO2AIHLABQ2L6QNCMF6VHGXEM

not attested not anchored not stored refs pending

Reducing Spatial Labeling Redundancy for Semi-supervised Crowd Counting

Dan Xu, Hanjie Wu, Jing Qin, Liangyu Chai, Shengfeng He, Sucheng Ren, Yongtuo Liu

arxiv:2108.02970 v1 · 2021-08-06 · 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{AWO2AIHLABQ2L6QNCMF6VHGXEM}

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	2026-07-05T03:03:44.428500Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

059da020eb0061a5fa0d130bea9cd72339886adde7c5f762cea824dd06f87244

Aliases

arxiv: 2108.02970 · arxiv_version: 2108.02970v1 · doi: 10.48550/arxiv.2108.02970 · pith_short_12: AWO2AIHLABQ2 · pith_short_16: AWO2AIHLABQ2L6QN · pith_short_8: AWO2AIHL

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/AWO2AIHLABQ2L6QNCMF6VHGXEM \
  | 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: 059da020eb0061a5fa0d130bea9cd72339886adde7c5f762cea824dd06f87244

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c3f4333ec276b881b1d54d3bd823f5d69ad59655724d4bc984afbe245e65592b",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2021-08-06T06:45:17Z",
    "title_canon_sha256": "57ff3d6a15ad453a6a2ad6c951f92677441474dc494cb6d8a5e9925631552eaf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2108.02970",
    "kind": "arxiv",
    "version": 1
  }
}