Pith. sign in
Pith Number

pith:623UVX2H

pith:2021:623UVX2H45CLBNMRGUFX3J7YAK
not attested not anchored not stored refs pending

Temporal Pyramid Transformer with Multimodal Interaction for Video Question Answering

Chongyang Wang, Min Peng, Xiang-Dong Zhou, Yuan Gao, Yu Shi

arxiv:2109.04735 v1 · 2021-09-10 · cs.CV

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\usepackage{pith}
\pithnumber{623UVX2H45CLBNMRGUFX3J7YAK}

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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 2026-07-05T03:13:09.534865Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

f6b74adf47e744b0b591350b7da7f802935dac47663883940a7bbd9bd1b125b1

Aliases

arxiv: 2109.04735 · arxiv_version: 2109.04735v1 · doi: 10.48550/arxiv.2109.04735 · pith_short_12: 623UVX2H45CL · pith_short_16: 623UVX2H45CLBNMR · pith_short_8: 623UVX2H
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/623UVX2H45CLBNMRGUFX3J7YAK \
  | 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: f6b74adf47e744b0b591350b7da7f802935dac47663883940a7bbd9bd1b125b1
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "fc5c6e1e2f98625d65396acf4b59d9de2b711c18c6f20c95322b506823584466",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2021-09-10T08:31:58Z",
    "title_canon_sha256": "bf28ec099fe1a3982e1b6e0c8fe48dd2ea2904b734865e42ec9b551a43a8f57f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.04735",
    "kind": "arxiv",
    "version": 1
  }
}