Pith Number

pith:LTIOPGL5

pith:2021:LTIOPGL5WPITXHHSEZDJHK77YB

not attested not anchored not stored refs pending

Pose is all you need: The pose only group activity recognition system (POGARS)

Aiden Nibali, Haritha Thilakarathne, Stuart Morgan, Zhen He

arxiv:2108.04186 v1 · 2021-08-09 · 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{LTIOPGL5WPITXHHSEZDJHK77YB}

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	2026-07-05T07:30:41.903538Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5cd0e7997db3d13b9cf2264693abffc058c172a96c9e7bc747bc0129e68541f8

Aliases

arxiv: 2108.04186 · arxiv_version: 2108.04186v1 · doi: 10.48550/arxiv.2108.04186 · pith_short_12: LTIOPGL5WPIT · pith_short_16: LTIOPGL5WPITXHHS · pith_short_8: LTIOPGL5

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/LTIOPGL5WPITXHHSEZDJHK77YB \
  | 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: 5cd0e7997db3d13b9cf2264693abffc058c172a96c9e7bc747bc0129e68541f8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fec8fb21d356aa1d51e706dec1b767f7cde53b1c93332eec5838b00a9e49d5f4",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2021-08-09T17:16:04Z",
    "title_canon_sha256": "f6070911f7984c24e0499b66ee74f2fc85f545984ef7522f8bdc76d13cca6e75"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2108.04186",
    "kind": "arxiv",
    "version": 1
  }
}