Pith Number

pith:26TMSH4U

pith:2017:26TMSH4UFSZ2QGVBHK57UR3XRM

not attested not anchored not stored refs pending

Set complexity of construction of a regular polygon

Eugene Kogan

arxiv:1711.05807 v2 · 2017-11-15 · math.NT · cs.CC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{26TMSH4UFSZ2QGVBHK57UR3XRM}

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	2026-05-18T00:20:52.003757Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d7a6c91f942cb3a81aa13abbfa47778b1d2afa3dfbc4ed3c6fc22a4a87b343e5

Aliases

arxiv: 1711.05807 · arxiv_version: 1711.05807v2 · doi: 10.48550/arxiv.1711.05807 · pith_short_12: 26TMSH4UFSZ2 · pith_short_16: 26TMSH4UFSZ2QGVB · pith_short_8: 26TMSH4U

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/26TMSH4UFSZ2QGVBHK57UR3XRM \
  | 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: d7a6c91f942cb3a81aa13abbfa47778b1d2afa3dfbc4ed3c6fc22a4a87b343e5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6aa98c68cdd6ee12114d7261dde7d1ec41def90736bd4f5e6c966e61403443ae",
    "cross_cats_sorted": [
      "cs.CC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NT",
    "submitted_at": "2017-11-15T21:06:09Z",
    "title_canon_sha256": "185ea0be408744a2a3b1126ca683d03a7c30c004db15531a22dfa3f7fe1ae00b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.05807",
    "kind": "arxiv",
    "version": 2
  }
}