Pith Number

pith:GFQVEOH5

pith:2019:GFQVEOH55COIMBE63OPOCTYK34

not attested not anchored not stored refs pending

A Study on Action Detection in the Wild

Cordelia Schmid, Martial Hebert, Pavel Tokmakov, Yubo Zhang

arxiv:1904.12993 v2 · 2019-04-29 · 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{GFQVEOH55COIMBE63OPOCTYK34}

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

Submission to ActivityNet Challenge 2019: Task B Spatio-temporal Action Localization

Receipt and verification

First computed	2026-05-17T23:43:49.473701Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

31615238fde89c86049edb9ee14f0adf15176edefa669c2600e37812a2ed1831

Aliases

arxiv: 1904.12993 · arxiv_version: 1904.12993v2 · doi: 10.48550/arxiv.1904.12993 · pith_short_12: GFQVEOH55COI · pith_short_16: GFQVEOH55COIMBE6 · pith_short_8: GFQVEOH5

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/GFQVEOH55COIMBE63OPOCTYK34 \
  | 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: 31615238fde89c86049edb9ee14f0adf15176edefa669c2600e37812a2ed1831

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dbd96845face8acada53df053451209c7bbf96d4561b6af714444ae750e07602",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-04-29T23:59:22Z",
    "title_canon_sha256": "4f894aa420617318d1615e951be528e3c474c5dfe2ffb48a5b9d020db841529c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.12993",
    "kind": "arxiv",
    "version": 2
  }
}