Pith Number

pith:KACL7TBZ

pith:2026:KACL7TBZQFI5EZXT225IWSQVH2

not attested not anchored not stored refs pending

RedAct: Redacting Agent Capability Traces for Procedural Skill Protection

Shuwen Xu, Yi R. (May) Fung, Zhitao He

arxiv:2606.10813 v1 · 2026-06-09 · cs.CR · cs.CL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KACL7TBZQFI5EZXT225IWSQVH2}

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	2026-06-10T01:10:41.813219Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5004bfcc398151d266f3d6ba8b4a153eb6a460b1687007fa932237b3d19be014

Aliases

arxiv: 2606.10813 · arxiv_version: 2606.10813v1 · doi: 10.48550/arxiv.2606.10813 · pith_short_12: KACL7TBZQFI5 · pith_short_16: KACL7TBZQFI5EZXT · pith_short_8: KACL7TBZ

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/KACL7TBZQFI5EZXT225IWSQVH2 \
  | 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: 5004bfcc398151d266f3d6ba8b4a153eb6a460b1687007fa932237b3d19be014

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "82d5114cfa5ceb961b5c413abbbd36bf4b62bf11bf7d29dd5e122c3f012ea368",
    "cross_cats_sorted": [
      "cs.CL"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2026-06-09T12:57:50Z",
    "title_canon_sha256": "7916adf2b1d35dcc2625d4fb440c2e6ed382ec58e643200697dc2b4003ce2294"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.10813",
    "kind": "arxiv",
    "version": 1
  }
}