Pith Number

pith:3K2ZE6LP

pith:2019:3K2ZE6LPOPXWMQORYS3Z6OOHOH

not attested not anchored not stored refs pending

Collaborative Spatio-temporal Feature Learning for Video Action Recognition

Chao Li, Di Xie, Qiaoyong Zhong, Shiliang Pu

arxiv:1903.01197 v1 · 2019-03-04 · 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{3K2ZE6LPOPXWMQORYS3Z6OOHOH}

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	2026-05-17T23:52:09.869331Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dab592796f73ef6641d1c4b79f39c771f9d31f6f6e9c898128abf63b97f19525

Aliases

arxiv: 1903.01197 · arxiv_version: 1903.01197v1 · doi: 10.48550/arxiv.1903.01197 · pith_short_12: 3K2ZE6LPOPXW · pith_short_16: 3K2ZE6LPOPXWMQOR · pith_short_8: 3K2ZE6LP

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/3K2ZE6LPOPXWMQORYS3Z6OOHOH \
  | 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: dab592796f73ef6641d1c4b79f39c771f9d31f6f6e9c898128abf63b97f19525

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a82105f4cde88b3b993ca2a5333665da8b278266fa2cb2dc38c2d3495e36c0dd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-03-04T12:03:03Z",
    "title_canon_sha256": "302bd28c63ded39fbb29a67ec8b1498057dea1054644e1b3b4cbb4ab0192db6c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.01197",
    "kind": "arxiv",
    "version": 1
  }
}