Pith Number

pith:QPFY5H5K

pith:2015:QPFY5H5KKSTQROG7F5TOPDHBUY

not attested not anchored not stored refs pending

Deep Structured Models For Group Activity Recognition

Greg Mori, Lei Chen, Mehrsan Javan Roshtkhari, Mengyao Zhai, Srikanth Muralidharan, Yuhao Liu, Zhiwei Deng

arxiv:1506.04191 v1 · 2015-06-12 · 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{QPFY5H5KKSTQROG7F5TOPDHBUY}

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	2026-05-18T01:49:55.305486Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

83cb8e9faa54a708b8df2f66e78ce1a61eb2c5f28213542ff368a078ced12386

Aliases

arxiv: 1506.04191 · arxiv_version: 1506.04191v1 · doi: 10.48550/arxiv.1506.04191 · pith_short_12: QPFY5H5KKSTQ · pith_short_16: QPFY5H5KKSTQROG7 · pith_short_8: QPFY5H5K

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/QPFY5H5KKSTQROG7F5TOPDHBUY \
  | 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: 83cb8e9faa54a708b8df2f66e78ce1a61eb2c5f28213542ff368a078ced12386

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e65f8a8915f55e86b211cdd1fd68d402b56ef03785dae00e7d32bc3958da8e78",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2015-06-12T22:18:08Z",
    "title_canon_sha256": "d6b260e9b5ac26021fc579357636b8c42a3f927495074cf9f08b899134bb3357"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.04191",
    "kind": "arxiv",
    "version": 1
  }
}