Pith Number

pith:BTLV4QEH

pith:2019:BTLV4QEHILHSDKV66X3ENL3SB5

not attested not anchored not stored refs pending

Human Activity Recognition Using Visual Object Detection

Reza Malekian, Schalk Wilhelm Pienaar

arxiv:1905.03707 v1 · 2019-05-02 · cs.CV · cs.LG · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BTLV4QEHILHSDKV66X3ENL3SB5}

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	2026-05-17T23:46:36.924936Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0cd75e408742cf21aabef5f646af720f745059894365c1f43fe3a46934c136f3

Aliases

arxiv: 1905.03707 · arxiv_version: 1905.03707v1 · doi: 10.48550/arxiv.1905.03707 · pith_short_12: BTLV4QEHILHS · pith_short_16: BTLV4QEHILHSDKV6 · pith_short_8: BTLV4QEH

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/BTLV4QEHILHSDKV66X3ENL3SB5 \
  | 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: 0cd75e408742cf21aabef5f646af720f745059894365c1f43fe3a46934c136f3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7a92d680fa24036a3bbf957126f999d5af5aefe30dc890c58f978d9d66db9d16",
    "cross_cats_sorted": [
      "cs.LG",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-05-02T07:17:51Z",
    "title_canon_sha256": "4a1c162a6ae2c6d04f2756cb0b5e2d29899b058531c9f3f4f3d1284337de70e3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.03707",
    "kind": "arxiv",
    "version": 1
  }
}