Pith Number

pith:UWUACJTX

pith:2014:UWUACJTXYLHQI5JVQMMFCAWEFZ

not attested not anchored not stored refs pending

Turing degree spectra of minimal subshifts

Michael Hochman, Pascal Vanier (LACL)

arxiv:1408.6487 v3 · 2014-08-27 · cs.FL · cs.DM · cs.LO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UWUACJTXYLHQI5JVQMMFCAWEFZ}

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	2026-05-18T02:42:38.852833Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a5a8012677c2cf04753583185102c42e447034a0716c1cc5c506e2f270b18209

Aliases

arxiv: 1408.6487 · arxiv_version: 1408.6487v3 · doi: 10.48550/arxiv.1408.6487 · pith_short_12: UWUACJTXYLHQ · pith_short_16: UWUACJTXYLHQI5JV · pith_short_8: UWUACJTX

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/UWUACJTXYLHQI5JVQMMFCAWEFZ \
  | 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: a5a8012677c2cf04753583185102c42e447034a0716c1cc5c506e2f270b18209

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e34b0d1f9578f14bcfb395288146da62477b5cdb89794b0cfff4e1ef983dde0b",
    "cross_cats_sorted": [
      "cs.DM",
      "cs.LO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.FL",
    "submitted_at": "2014-08-27T18:33:04Z",
    "title_canon_sha256": "590e448a8cfbe2345f13fc99e6826ddf045c51513739c6dd9f19920678c30fc5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1408.6487",
    "kind": "arxiv",
    "version": 3
  }
}