Pith Number

pith:56VEXY4B

pith:2019:56VEXY4BZL6ZQNNZXDLMHFWNMV

not attested not anchored not stored refs pending

Hallucinating Optical Flow Features for Video Classification

Lianqiang Zhou, Lin Ma, Yongyi Tang

arxiv:1905.11799 v2 · 2019-05-28 · 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{56VEXY4BZL6ZQNNZXDLMHFWNMV}

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	2026-05-17T23:42:48.073255Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

efaa4be381cafd9835b9b8d6c396cd656c7083f22a3514c769a7b19e135ab141

Aliases

arxiv: 1905.11799 · arxiv_version: 1905.11799v2 · doi: 10.48550/arxiv.1905.11799 · pith_short_12: 56VEXY4BZL6Z · pith_short_16: 56VEXY4BZL6ZQNNZ · pith_short_8: 56VEXY4B

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/56VEXY4BZL6ZQNNZXDLMHFWNMV \
  | 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: efaa4be381cafd9835b9b8d6c396cd656c7083f22a3514c769a7b19e135ab141

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8f528d8a626a496ba373d376f80209b43afb2adc133bbbd7b41ab1531848c50d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-05-28T13:25:40Z",
    "title_canon_sha256": "74302c638c1532061f96b52f8187449dbbe3f054c71e480037231630349dc192"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.11799",
    "kind": "arxiv",
    "version": 2
  }
}