Pith Number

pith:BNGS7MT4

pith:2009:BNGS7MT4RAUUSWZSEWXZNPNUNG

not attested not anchored not stored refs pending

A Logic Programming Approach to Activity Recognition

A. Artikis, G. Paliouras, M. Sergot

arxiv:0905.4614 v2 · 2009-05-28 · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BNGS7MT4RAUUSWZSEWXZNPNUNG}

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	2026-05-18T03:27:02.100416Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0b4d2fb27c8829495b3225af96bdb469a186358913f64413f79c7dd5fbd418c3

Aliases

arxiv: 0905.4614 · arxiv_version: 0905.4614v2 · doi: 10.48550/arxiv.0905.4614 · pith_short_12: BNGS7MT4RAUU · pith_short_16: BNGS7MT4RAUUSWZS · pith_short_8: BNGS7MT4

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/BNGS7MT4RAUUSWZSEWXZNPNUNG \
  | 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: 0b4d2fb27c8829495b3225af96bdb469a186358913f64413f79c7dd5fbd418c3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0828939898073d57661b0f934a2b90c8f7671c834a210f5c423aeb3937f437b7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2009-05-28T11:44:04Z",
    "title_canon_sha256": "31b9e6dd5504c784ed75be5663a3e8dd7137f0a42ee9fb1f569481dd5b0a6812"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0905.4614",
    "kind": "arxiv",
    "version": 2
  }
}