Pith Number

pith:KIKPIFJ3

pith:2020:KIKPIFJ3NFRX6VIQAC7NY2XHFU

not attested not anchored not stored refs pending

Actor-Action Video Classification CSC 249/449 Spring 2020 Challenge Report

Ajinkya Deshmukh, Alan Finkelstein, Andrew Sexton, Bin Yang, Bryce Ikeda, Chenliang Xu, Ethan Fahnestock, Haitian Zheng, Ian Lawson, Jayant G Rohra, Jeet Ketan Thaker, Jing Shi, Jingwen Wang, Kehao Guo, Raunak Mahalik, Richard Magnotti, Rohan Sharma, Ruitao Lin, Sizhe Li, Srishti Singh, Surya Iyer, Tianyou Xiao, Tongyu Yang, Weitao Tan, Xiaoning Guo, Xuan Wen, Yihang Xu, Yipeng Zhang, Yiyang Su, Yue Zhao, Zhexin Xu, Zhiheng Li, Zhongkai Shangguan

arxiv:2008.00141 v2 · 2020-08-01 · 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{KIKPIFJ3NFRX6VIQAC7NY2XHFU}

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	2026-07-05T01:27:48.510724Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5214f4153b69637f551000bedc6ae72d175b2071c6c02e4adc4cf092779bd533

Aliases

arxiv: 2008.00141 · arxiv_version: 2008.00141v2 · doi: 10.48550/arxiv.2008.00141 · pith_short_12: KIKPIFJ3NFRX · pith_short_16: KIKPIFJ3NFRX6VIQ · pith_short_8: KIKPIFJ3

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/KIKPIFJ3NFRX6VIQAC7NY2XHFU \
  | 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: 5214f4153b69637f551000bedc6ae72d175b2071c6c02e4adc4cf092779bd533

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4a65c1d1b775e9a962af1f80e811b5e41068a5c1cb5777555df61b5e11a2d439",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2020-08-01T01:07:41Z",
    "title_canon_sha256": "ba4ddda309727d3477a4acae05f8298f3208c75c5976baeea2c065db7b123229"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2008.00141",
    "kind": "arxiv",
    "version": 2
  }
}