Pith Number

pith:UIY7GH66

pith:2021:UIY7GH66VCRLT4UZ2X4CLYG6WS

not attested not anchored not stored refs pending

A Lightweight dynamic filter for keyword spotting

David K. Han, Donghyeon Kim, Hanseok Ko, Jeonggi Kwak, Kyungdeuk Ko

arxiv:2109.11165 v4 · 2021-09-23 · eess.AS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UIY7GH66VCRLT4UZ2X4CLYG6WS}

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	2026-07-05T07:27:01.561303Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a231f31fdea8a2b9f299d5f825e0deb4aee4fe8851b5046d94adcbd48adabe17

Aliases

arxiv: 2109.11165 · arxiv_version: 2109.11165v4 · doi: 10.48550/arxiv.2109.11165 · pith_short_12: UIY7GH66VCRL · pith_short_16: UIY7GH66VCRLT4UZ · pith_short_8: UIY7GH66

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/UIY7GH66VCRLT4UZ2X4CLYG6WS \
  | 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: a231f31fdea8a2b9f299d5f825e0deb4aee4fe8851b5046d94adcbd48adabe17

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4803f96c8a0425a8f06d984202d635d555b5bfb1457378c6280a77bfb67de370",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.AS",
    "submitted_at": "2021-09-23T06:47:09Z",
    "title_canon_sha256": "ec95d3c901238774a2eda4b4c8b928afe41ce6d80d18420f9780dcaa4ca192ac"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.11165",
    "kind": "arxiv",
    "version": 4
  }
}