Pith Number

pith:4A2CQXWE

pith:2019:4A2CQXWEPKYT63Y6WXSCRVKFUK

not attested not anchored not stored refs pending

Semi-Supervised First-Person Activity Recognition in Body-Worn Video

Adam Dhillon, Alexander Song, Andrea L. Bertozzi, Hao Li, Honglin Chen, Matt Haberland, Osman Akar, P. Jeffrey Brantingham, Tiankuang Zhou

arxiv:1904.09062 v1 · 2019-04-19 · eess.IV · stat.ML

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4A2CQXWEPKYT63Y6WXSCRVKFUK}

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

Visual Timelines of Police Encounters in Body-Worn Camera Footage: Operational Context and Activity Cataloging for Training and Analysis in OpenBWC

Receipt and verification

First computed	2026-05-17T23:48:08.469011Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e034285ec47ab13f6f1eb5e428d545a2a57b184f350d0341b1f80f78e633b33a

Aliases

arxiv: 1904.09062 · arxiv_version: 1904.09062v1 · doi: 10.48550/arxiv.1904.09062 · pith_short_12: 4A2CQXWEPKYT · pith_short_16: 4A2CQXWEPKYT63Y6 · pith_short_8: 4A2CQXWE

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/4A2CQXWEPKYT63Y6WXSCRVKFUK \
  | 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: e034285ec47ab13f6f1eb5e428d545a2a57b184f350d0341b1f80f78e633b33a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "96bce1261f06cb904c0531f322e4540adc37ef5e89a69b4947e7cc6550551a21",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2019-04-19T03:22:10Z",
    "title_canon_sha256": "830c33d3e08f15bc7782c99926545d1d67fd7eae2a84af3506a0c96f684cb83b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.09062",
    "kind": "arxiv",
    "version": 1
  }
}