Pith Number

pith:ZTYHSFIK

pith:2026:ZTYHSFIKHLXTV6T5X3JEPQRPZQ

not attested not anchored not stored refs pending

"AI Watermarking": Bridging Policy Discourse and Technical Capabilities

Andr\'es F\'abrega, Arkaprabha Bhattacharya, Miranda Christ, Sunoo Park

arxiv:2606.28331 v1 · 2026-05-25 · cs.CY · 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{ZTYHSFIKHLXTV6T5X3JEPQRPZQ}

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	2026-06-30T00:15:10.976850Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ccf079150a3aef3afa7dbed247c22fcc1b8cd32fd51dfe589b822c035a0d4e61

Aliases

arxiv: 2606.28331 · arxiv_version: 2606.28331v1 · doi: 10.48550/arxiv.2606.28331 · pith_short_12: ZTYHSFIKHLXT · pith_short_16: ZTYHSFIKHLXTV6T5 · pith_short_8: ZTYHSFIK

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/ZTYHSFIKHLXTV6T5X3JEPQRPZQ \
  | 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: ccf079150a3aef3afa7dbed247c22fcc1b8cd32fd51dfe589b822c035a0d4e61

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "de7a842fb2afa258c81d479df768575c56077033ae36f68b2f9aa740c6e45822",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CY",
    "submitted_at": "2026-05-25T19:45:19Z",
    "title_canon_sha256": "9d456beae56059233675cb5b9ba79b760bf6f9be1d256d335318a92da4719c6b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.28331",
    "kind": "arxiv",
    "version": 1
  }
}