Pith Number

pith:KYU43U4F

pith:2026:KYU43U4FVWYC6JC5RVAQ6YF2YT

not attested not anchored not stored refs pending

Free-Riding in the AI Economy: Demystifying Logic Flaws in x402-Enabled Payment Systems

Cong Wang, Lei Wu, Shengchen Ling, Yajin Zhou, Yihang Huang, Yuan Chen

arxiv:2605.30998 v1 · 2026-05-29 · cs.CR · cs.CE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KYU43U4FVWYC6JC5RVAQ6YF2YT}

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	2026-06-01T01:03:29.760211Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5629cdd385adb02f245d8d410f60bac4d447a0d26839c7b75ba19ec813a6647e

Aliases

arxiv: 2605.30998 · arxiv_version: 2605.30998v1 · doi: 10.48550/arxiv.2605.30998 · pith_short_12: KYU43U4FVWYC · pith_short_16: KYU43U4FVWYC6JC5 · pith_short_8: KYU43U4F

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/KYU43U4FVWYC6JC5RVAQ6YF2YT \
  | 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: 5629cdd385adb02f245d8d410f60bac4d447a0d26839c7b75ba19ec813a6647e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6d28c4990f92c9d44a35b55ba2bd56cbabbb69d6dc19c3d3a0352b3a3b0edc7e",
    "cross_cats_sorted": [
      "cs.CE"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2026-05-29T08:31:18Z",
    "title_canon_sha256": "a92c3d57d51e495b4c220bfcd0749dff9e83a0085cf72716b4c9cc5d1bed6f59"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.30998",
    "kind": "arxiv",
    "version": 1
  }
}