Pith Number

pith:67CJHNVR

pith:2026:67CJHNVRR7LMRT3AYVUSIGB55V

not attested not anchored not stored refs pending

Syntactic Systems Cannot See Semantic Invariants

Fabio F.G. Buono

arxiv:2606.17275 v1 · 2026-06-15 · cs.LO · cs.CR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{67CJHNVRR7LMRT3AYVUSIGB55V}

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	2026-06-19T16:10:07.881733Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f7c493b6b18fd6c8cf60c56924183ded767d77745d3685a4b9130ac97091fe14

Aliases

arxiv: 2606.17275 · arxiv_version: 2606.17275v1 · doi: 10.48550/arxiv.2606.17275 · pith_short_12: 67CJHNVRR7LM · pith_short_16: 67CJHNVRR7LMRT3A · pith_short_8: 67CJHNVR

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/67CJHNVRR7LMRT3AYVUSIGB55V \
  | 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: f7c493b6b18fd6c8cf60c56924183ded767d77745d3685a4b9130ac97091fe14

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "582201c922b52193fef64bb4d18d41314ff60d777b456731b87bce83e9801beb",
    "cross_cats_sorted": [
      "cs.CR"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2026-06-15T20:34:13Z",
    "title_canon_sha256": "717a459fa6ac88c346daa6422c176e18302843e8ce54a90ae72e1afbbbb3c407"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.17275",
    "kind": "arxiv",
    "version": 1
  }
}