Pith Number

pith:4Q56D2ZW

pith:2026:4Q56D2ZW6OAH7ZAMZ3WHGXJXVJ

not attested not anchored not stored refs pending

On hyperbolic corners and unit-area triangles in planar sets of large measure

Aleksandar Bulj, Vjekoslav Kova\v{c}

arxiv:2605.30033 v1 · 2026-05-28 · math.CA · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4Q56D2ZW6OAH7ZAMZ3WHGXJXVJ}

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	2026-05-29T02:06:07.822284Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e43be1eb36f3807fe40cceec735d37aa48f8063b37f6e22ebff962c4a1a11b74

Aliases

arxiv: 2605.30033 · arxiv_version: 2605.30033v1 · doi: 10.48550/arxiv.2605.30033 · pith_short_12: 4Q56D2ZW6OAH · pith_short_16: 4Q56D2ZW6OAH7ZAM · pith_short_8: 4Q56D2ZW

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/4Q56D2ZW6OAH7ZAMZ3WHGXJXVJ \
  | 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: e43be1eb36f3807fe40cceec735d37aa48f8063b37f6e22ebff962c4a1a11b74

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "274453e1d67ecc651744d58946d0e1850498aaad16574cb8b3970f3c5112dda1",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CA",
    "submitted_at": "2026-05-28T14:54:41Z",
    "title_canon_sha256": "fdd494a7484b56fb5659e14b0b3b20e72fa67f40ed0ae0adbf955d4ad140d673"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.30033",
    "kind": "arxiv",
    "version": 1
  }
}