pith. sign in
Pith Number

pith:7VIYXAUX

pith:2014:7VIYXAUX6HYCVSCJXYYFY673AU
not attested not anchored not stored refs pending

Squares and their centers

D\'aniel T. Nagy, Pablo Shmerkin, Tam\'as Keleti

arxiv:1408.1029 v2 · 2014-08-05 · math.MG · math.CA · math.CO

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{7VIYXAUX6HYCVSCJXYYFY673AU}

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 2026-05-18T00:21:43.878555Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

fd518b8297f1f02ac849be305c7bfb05031fded402457d0d4d396ace9edd54a5

Aliases

arxiv: 1408.1029 · arxiv_version: 1408.1029v2 · doi: 10.48550/arxiv.1408.1029 · pith_short_12: 7VIYXAUX6HYC · pith_short_16: 7VIYXAUX6HYCVSCJ · pith_short_8: 7VIYXAUX
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/7VIYXAUX6HYCVSCJXYYFY673AU \
  | 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: fd518b8297f1f02ac849be305c7bfb05031fded402457d0d4d396ace9edd54a5
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "f73873d10ee4a2e2a56a6d5b40d87efd907bea2142dffed131f86f2378741abb",
    "cross_cats_sorted": [
      "math.CA",
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.MG",
    "submitted_at": "2014-08-05T16:42:27Z",
    "title_canon_sha256": "14f667da45aeefa4205812e8394f624307099767658a3fb120edc0b82f4d9d9d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1408.1029",
    "kind": "arxiv",
    "version": 2
  }
}