Pith Number

pith:PGBWM5UU

pith:2026:PGBWM5UUPRBLTWLBHIDX5Y2RLT

not attested not anchored not stored refs pending

"Death by a thousand taxonomies?": AI Risk Classification In Practice

Angel Hsing-Chi Hwang, Ben Hutchinson, Glen Berman, Ned Cooper, Renee Shelby, Wesley Hanwen Deng

arxiv:2608.06831 v1 · 2026-08-07 · cs.CY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PGBWM5UUPRBLTWLBHIDX5Y2RLT}

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	2026-08-10T01:12:13.568430Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

79836676947c42b9d9613a077ee3515cfc23014c73df5631a0c2ad03b1049215

Aliases

arxiv: 2608.06831 · arxiv_version: 2608.06831v1 · doi: 10.48550/arxiv.2608.06831 · pith_short_12: PGBWM5UUPRBL · pith_short_16: PGBWM5UUPRBLTWLB · pith_short_8: PGBWM5UU

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/PGBWM5UUPRBLTWLBHIDX5Y2RLT \
  | 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: 79836676947c42b9d9613a077ee3515cfc23014c73df5631a0c2ad03b1049215

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b153b38cf8ac9e63615eb6954b308a4d218667d1efa073c0295385378f4c3e24",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cs.CY",
    "submitted_at": "2026-08-07T05:42:51Z",
    "title_canon_sha256": "297166ca0a24ce6a8edd3e79b86a666e96f3291a67119b93f54201a3bbe7ff5d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2608.06831",
    "kind": "arxiv",
    "version": 1
  }
}