Pith Number

pith:HVHB2WFJ

pith:2026:HVHB2WFJAWTB3TQXVQUNXWVAYR

not attested not anchored not stored refs pending

Proof-Carrying Certificates for LLM Pipelines: A Trust-Boundary Architecture

George Koomullil

arxiv:2605.16407 v1 · 2026-05-13 · cs.LO · cs.CL · cs.CR · cs.PL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HVHB2WFJAWTB3TQXVQUNXWVAYR}

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	2026-05-20T00:02:20.738179Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3d4e1d58a905a61dce17ac28dbdaa0c46a6647ec069953344c21dec2b9db2b32

Aliases

arxiv: 2605.16407 · arxiv_version: 2605.16407v1 · doi: 10.48550/arxiv.2605.16407 · pith_short_12: HVHB2WFJAWTB · pith_short_16: HVHB2WFJAWTB3TQX · pith_short_8: HVHB2WFJ

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/HVHB2WFJAWTB3TQXVQUNXWVAYR \
  | 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: 3d4e1d58a905a61dce17ac28dbdaa0c46a6647ec069953344c21dec2b9db2b32

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f770f199702f07459a67399547de9b65b3ba532442b40e3977eab40e4ce16c14",
    "cross_cats_sorted": [
      "cs.CL",
      "cs.CR",
      "cs.PL"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2026-05-13T12:01:41Z",
    "title_canon_sha256": "0291c9616d66714e8ae92017c7163837fb27d788f6248d2de46e05be2d3f88bd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.16407",
    "kind": "arxiv",
    "version": 1
  }
}