Pith Number

pith:AN5V6Z7H

pith:2013:AN5V6Z7H2LIHEAX7AVNVH4VIYS

not attested not anchored not stored refs pending

Single-tape and Multi-tape Turing machines through the lens of the Grossone methodology

Alfredo Garro, Yaroslav D. Sergeyev

arxiv:1307.3976 v1 · 2013-07-15 · cs.FL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{AN5V6Z7H2LIHEAX7AVNVH4VIYS}

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	2026-05-18T03:18:27.275354Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

037b5f67e7d2d07202ff055b53f2a8c4ad4a56bffb17a0346b7a9bfe57c3ee41

Aliases

arxiv: 1307.3976 · arxiv_version: 1307.3976v1 · doi: 10.48550/arxiv.1307.3976 · pith_short_12: AN5V6Z7H2LIH · pith_short_16: AN5V6Z7H2LIHEAX7 · pith_short_8: AN5V6Z7H

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/AN5V6Z7H2LIHEAX7AVNVH4VIYS \
  | 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: 037b5f67e7d2d07202ff055b53f2a8c4ad4a56bffb17a0346b7a9bfe57c3ee41

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "19c745c4c3267969ceb316d1a4bcd4c280b8f5f3a672af26311c3689cd424385",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.FL",
    "submitted_at": "2013-07-15T14:51:46Z",
    "title_canon_sha256": "c400994b28f47b35adb8b47e8be5bc6233f673a618762368821c85d1cfa6daee"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.3976",
    "kind": "arxiv",
    "version": 1
  }
}