Pith Number

pith:ZM4LVG6X

pith:2008:ZM4LVG6XED5WVUYZ6D5IP7ZMYT

not attested not anchored not stored refs pending

On some new invariants for strong shift equivalence for shifts of finite type

Ian Kiming, Soren Eilers

arxiv:0809.2713 v2 · 2008-09-16 · math.DS · 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{ZM4LVG6XED5WVUYZ6D5IP7ZMYT}

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	2026-05-18T04:24:35.436756Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cb38ba9bd720fb6ad319f0fa87ff2cc4d0ec7276de1b436604f7db9986d1aa73

Aliases

arxiv: 0809.2713 · arxiv_version: 0809.2713v2 · doi: 10.48550/arxiv.0809.2713 · pith_short_12: ZM4LVG6XED5W · pith_short_16: ZM4LVG6XED5WVUYZ · pith_short_8: ZM4LVG6X

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/ZM4LVG6XED5WVUYZ6D5IP7ZMYT \
  | 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: cb38ba9bd720fb6ad319f0fa87ff2cc4d0ec7276de1b436604f7db9986d1aa73

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ebcfde79e3291d0f65c82f07b71466d802ae5d3e9a785825a101e3b839c9050a",
    "cross_cats_sorted": [
      "math.NT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2008-09-16T14:13:28Z",
    "title_canon_sha256": "b560f44bca309def454b876b34e7b6ec50f95f73af1ce548b4213cc20b4f84b5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0809.2713",
    "kind": "arxiv",
    "version": 2
  }
}