Pith Number

pith:XGMK2DDT

pith:2015:XGMK2DDTD2IALYGE3XSKXAIS7Y

not attested not anchored not stored refs pending

Efficient Large Scale Video Classification

Apostol Natsev, Balakrishnan Varadarajan, George Toderici, Sudheendra Vijayanarasimhan

arxiv:1505.06250 v1 · 2015-05-22 · cs.CV · cs.MM · cs.NE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XGMK2DDTD2IALYGE3XSKXAIS7Y}

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	2026-05-18T02:03:47.803457Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b998ad0c731e9005e0c4dde4ab8112fe0346903bd1c62b4a83e2d3b703796c77

Aliases

arxiv: 1505.06250 · arxiv_version: 1505.06250v1 · doi: 10.48550/arxiv.1505.06250 · pith_short_12: XGMK2DDTD2IA · pith_short_16: XGMK2DDTD2IALYGE · pith_short_8: XGMK2DDT

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/XGMK2DDTD2IALYGE3XSKXAIS7Y \
  | 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: b998ad0c731e9005e0c4dde4ab8112fe0346903bd1c62b4a83e2d3b703796c77

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "652c0f7bf4131662846fa216d5f7f54054c69eff7c6283f2855f556424446b50",
    "cross_cats_sorted": [
      "cs.MM",
      "cs.NE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2015-05-22T23:45:32Z",
    "title_canon_sha256": "a870e5b7a9b935cf21f93b7ecbf815c6acd90612ef99775765b1eb558078d30c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.06250",
    "kind": "arxiv",
    "version": 1
  }
}