Pith Number

pith:UERRE2V6

pith:2018:UERRE2V6XAJODSVZ5L6GRBG6F7

not attested not anchored not stored refs pending

Yet another characterization of the Pisot substitution conjecture

Paul Mercat, Shigeki Akiyama

arxiv:1810.03500 v1 · 2018-10-08 · math.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UERRE2V6XAJODSVZ5L6GRBG6F7}

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	2026-05-18T00:03:51.119145Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a123126abeb812e1cab9eafc6884de2fefb09358c36b64be300e85b51dfaf3fc

Aliases

arxiv: 1810.03500 · arxiv_version: 1810.03500v1 · doi: 10.48550/arxiv.1810.03500 · pith_short_12: UERRE2V6XAJO · pith_short_16: UERRE2V6XAJODSVZ · pith_short_8: UERRE2V6

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/UERRE2V6XAJODSVZ5L6GRBG6F7 \
  | 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: a123126abeb812e1cab9eafc6884de2fefb09358c36b64be300e85b51dfaf3fc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7b8f2eb7843d09511e5305cd5d17237fd25405c692d44a4f76b881228876286e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2018-10-08T14:39:17Z",
    "title_canon_sha256": "538425f692d8aa3e0cd3a7866ff2a2bf9a94469aa8b2e6d9d32bfb0dc8369729"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.03500",
    "kind": "arxiv",
    "version": 1
  }
}