Pith Number

pith:YPOX3V7E

pith:2019:YPOX3V7E27WZ4WWTYXKO5D6WSB

not attested not anchored not stored refs pending

RefineLoc: Iterative Refinement for Weakly-Supervised Action Localization

Alejandro Pardo, Ali Thabet, Bernard Ghanem, Fabian Caba Heilbron, Humam Alwassel

arxiv:1904.00227 v3 · 2019-03-30 · 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{YPOX3V7E27WZ4WWTYXKO5D6WSB}

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	2026-07-05T01:49:46.427562Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c3dd7dd7e4d7ed9e5ad3c5d4ee8fd69046d46eefbead81122b17934944735c4e

Aliases

arxiv: 1904.00227 · arxiv_version: 1904.00227v3 · doi: 10.48550/arxiv.1904.00227 · pith_short_12: YPOX3V7E27WZ · pith_short_16: YPOX3V7E27WZ4WWT · pith_short_8: YPOX3V7E

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/YPOX3V7E27WZ4WWTYXKO5D6WSB \
  | 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: c3dd7dd7e4d7ed9e5ad3c5d4ee8fd69046d46eefbead81122b17934944735c4e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9bbf60cf5d975ed652f3d72cac11a52441ebaa5b3bc7da833da5e0481497d0a1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-03-30T14:51:44Z",
    "title_canon_sha256": "9aeda55ae91c4e902dccd5de1b3cb0bc717da5969abb6c9656b12b53779b3718"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.00227",
    "kind": "arxiv",
    "version": 3
  }
}