Pith Number

pith:XX27XQQH

pith:2019:XX27XQQHOSZVZ7KTOBBVP3Q4S3

not attested not anchored not stored refs pending

Three Branches: Detecting Actions With Richer Features

Cewu Lu, Jiajun Tang, Jin Xia

arxiv:1908.04519 v1 · 2019-08-13 · 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{XX27XQQHOSZVZ7KTOBBVP3Q4S3}

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	2026-07-04T23:55:14.482450Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bdf5fbc20774b35cfd53704357ee1c96c5ff4fae06b6c16132c4aada5483fbba

Aliases

arxiv: 1908.04519 · arxiv_version: 1908.04519v1 · doi: 10.48550/arxiv.1908.04519 · pith_short_12: XX27XQQHOSZV · pith_short_16: XX27XQQHOSZVZ7KT · pith_short_8: XX27XQQH

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/XX27XQQHOSZVZ7KTOBBVP3Q4S3 \
  | 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: bdf5fbc20774b35cfd53704357ee1c96c5ff4fae06b6c16132c4aada5483fbba

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fd4336be3f2d007f9b78782d7027e464c86554825386749ce93642045e9a9d66",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-08-13T07:23:44Z",
    "title_canon_sha256": "f6e4979f4631d13c840c11b7f31eceefe92a43981fd49cb96fa1c7fd24a98e11"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.04519",
    "kind": "arxiv",
    "version": 1
  }
}