Pith Number

pith:XVNC5DEC

pith:2020:XVNC5DECAYQPDJT3RGKQBIYUFJ

not attested not anchored not stored refs pending

Learning Class Regularized Features for Action Recognition

Alexandros Stergiou, Remco C. Veltkamp, Ronald Poppe

arxiv:2002.02651 v1 · 2020-02-07 · cs.CV · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XVNC5DECAYQPDJT3RGKQBIYUFJ}

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	2026-07-05T01:51:05.976989Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bd5a2e8c820620f1a67b899500a3142a44d15a6844a22e283cb742dd02f285b3

Aliases

arxiv: 2002.02651 · arxiv_version: 2002.02651v1 · doi: 10.48550/arxiv.2002.02651 · pith_short_12: XVNC5DECAYQP · pith_short_16: XVNC5DECAYQPDJT3 · pith_short_8: XVNC5DEC

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/XVNC5DECAYQPDJT3RGKQBIYUFJ \
  | 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: bd5a2e8c820620f1a67b899500a3142a44d15a6844a22e283cb742dd02f285b3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "004d3f01508beddc0bbcaf9a70b926cfa6f4ddf922245884c61647818caa0ce4",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2020-02-07T07:27:49Z",
    "title_canon_sha256": "1e3f2e4b4253d88e50e0366080514197dfce75406145ce3cce68c0213ff681e2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2002.02651",
    "kind": "arxiv",
    "version": 1
  }
}