Pith Number

pith:HAF4WEGA

pith:2021:HAF4WEGAOP3GS7BKLOTGGKYAL5

not attested not anchored not stored refs pending

First and Second Order Dynamics in a Hierarchical SOM system for Action Recognition

Magnus Johnsson, Peter G\"ardenfors, Zahra Gharaee

arxiv:2104.06059 v1 · 2021-04-13 · cs.CV · cs.HC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HAF4WEGAOP3GS7BKLOTGGKYAL5}

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	2026-07-05T02:31:28.548947Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

380bcb10c073f6697c2a5ba6632b005f6642789e86e0728342eacb7ed44f8e8c

Aliases

arxiv: 2104.06059 · arxiv_version: 2104.06059v1 · doi: 10.48550/arxiv.2104.06059 · pith_short_12: HAF4WEGAOP3G · pith_short_16: HAF4WEGAOP3GS7BK · pith_short_8: HAF4WEGA

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/HAF4WEGAOP3GS7BKLOTGGKYAL5 \
  | 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: 380bcb10c073f6697c2a5ba6632b005f6642789e86e0728342eacb7ed44f8e8c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ad14ee775586a2d1dbc94d4af3b641f9da3035ab8b8a4a4f250808893af18165",
    "cross_cats_sorted": [
      "cs.HC"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2021-04-13T09:46:40Z",
    "title_canon_sha256": "451885f7496061dd438ee9ff055de0c7faf378c2ee9606ef867f32e810754ef9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.06059",
    "kind": "arxiv",
    "version": 1
  }
}