Pith Number

pith:QXPWWSHK

pith:2026:QXPWWSHK24A75XYA2MOTRGPTNR

not attested not anchored not stored refs pending

SafePyramid: A Hierarchical Benchmark for In-context Policy Guardrailing

Feng Liu, Haoyu He, Jiacheng Zhang, Meng Shen, Sen Zhang, Shen Wang, Xiaolei Xu, Yuhao Sun

arxiv:2606.29887 v1 · 2026-06-29 · 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{QXPWWSHK24A75XYA2MOTRGPTNR}

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	2026-06-30T02:17:39.610348Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

85df6b48ead701fedf00d31d3899f36c4e05b97a952aa6f4a72154b8494e42a9

Aliases

arxiv: 2606.29887 · arxiv_version: 2606.29887v1 · doi: 10.48550/arxiv.2606.29887 · pith_short_12: QXPWWSHK24A7 · pith_short_16: QXPWWSHK24A75XYA · pith_short_8: QXPWWSHK

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/QXPWWSHK24A75XYA2MOTRGPTNR \
  | 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: 85df6b48ead701fedf00d31d3899f36c4e05b97a952aa6f4a72154b8494e42a9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "512e0b1147f568b0a3e021f2bd21768a7e4489901f259c23aa25c5ac7860d6a0",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2026-06-29T07:27:22Z",
    "title_canon_sha256": "a12ba9ef72fe64c71e647ce47466f832038de6cbac5cff09276c43f2a890d86f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.29887",
    "kind": "arxiv",
    "version": 1
  }
}