Pith Number

pith:MPNIVIBH

pith:2026:MPNIVIBHKHO6RLIGL5I7MB3PSA

not attested not anchored not stored refs pending

From some Pisot numerations to topological groups

Jake Sudbery, Olivier Carton, Reem Yassawi

arxiv:2606.30496 v1 · 2026-06-29 · math.DS · cs.FL · math.NT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MPNIVIBHKHO6RLIGL5I7MB3PSA}

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	2026-06-30T02:18:17.700787Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

63da8aa02751dde8ad065f51f6076f9039180039e8f2b318f1c04c229f572fe7

Aliases

arxiv: 2606.30496 · arxiv_version: 2606.30496v1 · doi: 10.48550/arxiv.2606.30496 · pith_short_12: MPNIVIBHKHO6 · pith_short_16: MPNIVIBHKHO6RLIG · pith_short_8: MPNIVIBH

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/MPNIVIBHKHO6RLIGL5I7MB3PSA \
  | 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: 63da8aa02751dde8ad065f51f6076f9039180039e8f2b318f1c04c229f572fe7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "842197db14f589102b0e008fed8907d043b430701bd26b8bf9c64c9b1759ac6f",
    "cross_cats_sorted": [
      "cs.FL",
      "math.NT"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2026-06-29T16:02:02Z",
    "title_canon_sha256": "76aefb4808545bbe0a880ab76153425c584a9c3b843f10d9cf4f24a1c9385aed"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.30496",
    "kind": "arxiv",
    "version": 1
  }
}