Pith Number

pith:Q2PCZMI4

pith:2016:Q2PCZMI43FA6HVAWD4PDBPBYNE

not attested not anchored not stored refs pending

Efficient Action Detection in Untrimmed Videos via Multi-Task Learning

Shawn Newsam, Yi Zhu

arxiv:1612.07403 v2 · 2016-12-22 · cs.CV · cs.MM

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Q2PCZMI43FA6HVAWD4PDBPBYNE}

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	2026-05-18T00:47:19.996828Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

869e2cb11cd941e3d4161f1e30bc386923f5891bd58da943a618acd82d6fc4a5

Aliases

arxiv: 1612.07403 · arxiv_version: 1612.07403v2 · doi: 10.48550/arxiv.1612.07403 · pith_short_12: Q2PCZMI43FA6 · pith_short_16: Q2PCZMI43FA6HVAW · pith_short_8: Q2PCZMI4

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/Q2PCZMI43FA6HVAWD4PDBPBYNE \
  | 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: 869e2cb11cd941e3d4161f1e30bc386923f5891bd58da943a618acd82d6fc4a5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a8ef1c24cfbfbba2e0f7588a98e354d22380e5beb69d8621f3429a945cc94702",
    "cross_cats_sorted": [
      "cs.MM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2016-12-22T00:37:42Z",
    "title_canon_sha256": "3ef2abd84d31b6a33e3891fb9918e5caef38207f109d7904511d4fd72e0fc3e4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1612.07403",
    "kind": "arxiv",
    "version": 2
  }
}