Pith Number

pith:PGLTDOFG

pith:2026:PGLTDOFGGNOMJSFT4J2MTVMDA7

not attested not anchored not stored refs pending

Invisible to the Machine: Auditing AI Restaurant, Cafe, and Bar Recommendation Against a Complete Market Census

Vladimir Pitenin

arxiv:2608.07069 v1 · 2026-08-07 · cs.IR · cs.CY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PGLTDOFGGNOMJSFT4J2MTVMDA7}

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	2026-08-10T01:13:07.232015Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

799731b8a6335cc4c8b3e274c9d58307f026bf12fd509aa58f52c38e2ca3e77c

Aliases

arxiv: 2608.07069 · arxiv_version: 2608.07069v1 · doi: 10.48550/arxiv.2608.07069 · pith_short_12: PGLTDOFGGNOM · pith_short_16: PGLTDOFGGNOMJSFT · pith_short_8: PGLTDOFG

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/PGLTDOFGGNOMJSFT4J2MTVMDA7 \
  | 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: 799731b8a6335cc4c8b3e274c9d58307f026bf12fd509aa58f52c38e2ca3e77c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aae2d7a7cb5357b25ca6e7ff710d2f705bd8f7fd44fcdd86fc7011c44bc9d30a",
    "cross_cats_sorted": [
      "cs.CY"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2026-08-07T10:23:45Z",
    "title_canon_sha256": "16d1f583f6f07c92b00c5adfd353820e4111e51f90e28e6335f71290ca15847a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2608.07069",
    "kind": "arxiv",
    "version": 1
  }
}