Pith Number

pith:BQKBXZBE

pith:2018:BQKBXZBELA7UE7YSV2PQGP5MX2

not attested not anchored not stored refs pending

Deep Keyframe Detection in Human Action Videos

Ajmal Mian, Hanlin Qin, Liang Zhang, Mingtao Feng, Syed Zulqarnain Gilani, Xiang Yan

arxiv:1804.10021 v1 · 2018-04-26 · 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{BQKBXZBELA7UE7YSV2PQGP5MX2}

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	2026-05-18T00:17:25.363934Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0c141be424583f427f12ae9f033facbe8d5c9bb1dd0ab99ee47516c2ce9ad8bd

Aliases

arxiv: 1804.10021 · arxiv_version: 1804.10021v1 · doi: 10.48550/arxiv.1804.10021 · pith_short_12: BQKBXZBELA7U · pith_short_16: BQKBXZBELA7UE7YS · pith_short_8: BQKBXZBE

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/BQKBXZBELA7UE7YSV2PQGP5MX2 \
  | 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: 0c141be424583f427f12ae9f033facbe8d5c9bb1dd0ab99ee47516c2ce9ad8bd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bd665bd2b660b179e91eff0dfa20933c10c4be6361add74744b6c2ea1b6b0f19",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2018-04-26T12:41:05Z",
    "title_canon_sha256": "65ce70c38ee5fc85b5fd0e9898e3459467fc7e0699480a6089d3c8231c5c0e9f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.10021",
    "kind": "arxiv",
    "version": 1
  }
}