Pith Number

pith:GSGTRTY4

pith:2013:GSGTRTY447DGCOB3MJVTB4VYXG

not attested not anchored not stored refs pending

A square from similar rectangles

Mikhail Skopenkov, Sergey Dorichenko

arxiv:1305.2598 v1 · 2013-05-12 · math.HO · math.MG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GSGTRTY447DGCOB3MJVTB4VYXG}

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	2026-05-18T00:08:24.429888Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

348d38cf1ce7c661383b626b30f2b8b9886b7b441d1549df506b7f7ad1ff79e8

Aliases

arxiv: 1305.2598 · arxiv_version: 1305.2598v1 · doi: 10.48550/arxiv.1305.2598 · pith_short_12: GSGTRTY447DG · pith_short_16: GSGTRTY447DGCOB3 · pith_short_8: GSGTRTY4

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/GSGTRTY447DGCOB3MJVTB4VYXG \
  | 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: 348d38cf1ce7c661383b626b30f2b8b9886b7b441d1549df506b7f7ad1ff79e8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c111e2951c7f5abecbb5e5b1235626139e3e1707806e3f870fd93cf2d80b47a7",
    "cross_cats_sorted": [
      "math.MG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.HO",
    "submitted_at": "2013-05-12T16:17:40Z",
    "title_canon_sha256": "25fcaca7f0ddabf90b75df96fb3ddcbf3012043f5e9c6546628c1190f60a1f29"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.2598",
    "kind": "arxiv",
    "version": 1
  }
}