Pith Number

pith:2OYWH7Z7

pith:2018:2OYWH7Z7YMVP47PK4UUP7UILJJ

not attested not anchored not stored refs pending

Abnormal Event Detection and Location for Dense Crowds using Repulsive Forces and Sparse Reconstruction

Bing Zhou, Mingliang Xu, Pei Lv, Shunhua Liu

arxiv:1808.06749 v1 · 2018-08-21 · 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{2OYWH7Z7YMVP47PK4UUP7UILJJ}

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	2026-05-18T00:07:39.228186Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d3b163ff3fc32afe7deae528ffd10b4a7e050422956820fd93953e0d1ab9212c

Aliases

arxiv: 1808.06749 · arxiv_version: 1808.06749v1 · doi: 10.48550/arxiv.1808.06749 · pith_short_12: 2OYWH7Z7YMVP · pith_short_16: 2OYWH7Z7YMVP47PK · pith_short_8: 2OYWH7Z7

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/2OYWH7Z7YMVP47PK4UUP7UILJJ \
  | 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: d3b163ff3fc32afe7deae528ffd10b4a7e050422956820fd93953e0d1ab9212c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "92b5dbe5b0b3035ec80bb86367398c6c95cdb8e3a3ec7ee5c232c777659da1b1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2018-08-21T03:24:00Z",
    "title_canon_sha256": "acca8b58b00d86ea08e010fac848405061d2cce043d2e4780be5c6e22d4ff631"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.06749",
    "kind": "arxiv",
    "version": 1
  }
}