Pith Number

pith:7X6S42LV

pith:2025:7X6S42LVQLBDZZ5E6DJW7CWJSR

not attested not anchored not stored refs pending

A Spectral Tur\'an Problem for a Fixed Tree

Bahareh Kudarzi, Dheer Noal Desai, Hemanshu Kaul

arxiv:2505.14908 v2 · 2025-05-20 · 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{7X6S42LVQLBDZZ5E6DJW7CWJSR}

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	2026-06-23T02:12:31.877146Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fdfd2e697582c23ce7a4f0d36f8ac994588eb8446c0cade13ab5d03e4c688443

Aliases

arxiv: 2505.14908 · arxiv_version: 2505.14908v2 · doi: 10.48550/arxiv.2505.14908 · pith_short_12: 7X6S42LVQLBD · pith_short_16: 7X6S42LVQLBDZZ5E · pith_short_8: 7X6S42LV

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/7X6S42LVQLBDZZ5E6DJW7CWJSR \
  | 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: fdfd2e697582c23ce7a4f0d36f8ac994588eb8446c0cade13ab5d03e4c688443

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "92b039bd1787131bf1d093a288595b20a286269de1bae29cccc17e6200f11e1d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2025-05-20T21:02:42Z",
    "title_canon_sha256": "9bdef54ee54b24bfbcb9ab42d08d4220b5e8dfab0b8f1aed446afcb35cd32b16"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.14908",
    "kind": "arxiv",
    "version": 2
  }
}