Pith Number

pith:Q4M7PS5R

pith:2018:Q4M7PS5RH55NFYQDOGPQXBPBXR

not attested not anchored not stored refs pending

A Proposal-Based Solution to Spatio-Temporal Action Detection in Untrimmed Videos

Carlos D. Castillo, Joshua Gleason, Jun-Chen Cheng, Rajeev Ranjan, Rama Chellappa, Steven Schwarcz

arxiv:1811.08496 v2 · 2018-11-20 · 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{Q4M7PS5RH55NFYQDOGPQXBPBXR}

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

Out the Window: A Crowd-Sourced Dataset for Activity Classification in Security Video

Receipt and verification

First computed	2026-05-18T00:00:07.668213Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8719f7cbb13f7ad2e203719f0b85e1bc4c7800511c826397bed60784593241ec

Aliases

arxiv: 1811.08496 · arxiv_version: 1811.08496v2 · doi: 10.48550/arxiv.1811.08496 · pith_short_12: Q4M7PS5RH55N · pith_short_16: Q4M7PS5RH55NFYQD · pith_short_8: Q4M7PS5R

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/Q4M7PS5RH55NFYQDOGPQXBPBXR \
  | 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: 8719f7cbb13f7ad2e203719f0b85e1bc4c7800511c826397bed60784593241ec

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "800f4d61f3d43fbb444eea49c0c3a2e30f896d84564f453722dbdc24481c45b2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2018-11-20T21:35:07Z",
    "title_canon_sha256": "fd716e78a3324a1028d223312356f18b9fa3270f2c48ecb03d87500267eec4cc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.08496",
    "kind": "arxiv",
    "version": 2
  }
}