Pith Number

pith:4IXZ5ZE2

pith:2021:4IXZ5ZE2JOV33Y47TVB25CORE4

not attested not anchored not stored refs pending

CoLA: Weakly-Supervised Temporal Action Localization with Snippet Contrastive Learning

Can Zhang, Dongming Yang, Jie Chen, Meng Cao, Yuexian Zou

arxiv:2103.16392 v2 · 2021-03-30 · 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{4IXZ5ZE2JOV33Y47TVB25CORE4}

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	2026-07-05T03:01:23.820192Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e22f9ee49a4babbde39f9d43ae89d1273947068e55e8a50c065fcdca2407bcf9

Aliases

arxiv: 2103.16392 · arxiv_version: 2103.16392v2 · doi: 10.48550/arxiv.2103.16392 · pith_short_12: 4IXZ5ZE2JOV3 · pith_short_16: 4IXZ5ZE2JOV33Y47 · pith_short_8: 4IXZ5ZE2

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/4IXZ5ZE2JOV33Y47TVB25CORE4 \
  | 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: e22f9ee49a4babbde39f9d43ae89d1273947068e55e8a50c065fcdca2407bcf9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6d9f3f9920203939eabda1eedbc85e1d2c06dd04b1e98ed71fd60a73d87b106b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2021-03-30T14:37:15Z",
    "title_canon_sha256": "6bd12c4ce606144ec4364f0c25e3f3a356b928f06afdd46e9162ac9709a17390"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2103.16392",
    "kind": "arxiv",
    "version": 2
  }
}