Pith Number

pith:AWI4NC3E

pith:2013:AWI4NC3E6GDZWHIMSMRMN3TXOY

not attested not anchored not stored refs pending

The proof of the Kontsevich periodicity conjecture on noncommutative birational transformations

Natalia Iyudu, Stanislav Shkarin

arxiv:1305.1965 v3 · 2013-05-08 · math.RA · math-ph · math.DS · math.MP · math.QA · math.RT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{AWI4NC3E6GDZWHIMSMRMN3TXOY}

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	2026-05-18T01:28:06.240367Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0591c68b64f1879b1d0c9322c6ee77761bc464de4457a7649987668d5faff912

Aliases

arxiv: 1305.1965 · arxiv_version: 1305.1965v3 · doi: 10.48550/arxiv.1305.1965 · pith_short_12: AWI4NC3E6GDZ · pith_short_16: AWI4NC3E6GDZWHIM · pith_short_8: AWI4NC3E

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/AWI4NC3E6GDZWHIMSMRMN3TXOY \
  | 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: 0591c68b64f1879b1d0c9322c6ee77761bc464de4457a7649987668d5faff912

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f83dca0509fe949cdf4d5e863645a7ecfbb9966d18c3133a724dba2e68741ae6",
    "cross_cats_sorted": [
      "math-ph",
      "math.DS",
      "math.MP",
      "math.QA",
      "math.RT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RA",
    "submitted_at": "2013-05-08T21:59:47Z",
    "title_canon_sha256": "d0368df0b7face5d39def6cbc04f9cbf8912a213cc6452f3f825210a4cd0dd00"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.1965",
    "kind": "arxiv",
    "version": 3
  }
}