Pith Number

pith:3J7QY3EP

pith:2026:3J7QY3EPRHVXCZXU4S67QUWHVH

not attested not anchored not stored refs pending

Exact Algorithms for Minimum Steiner Point Trees

Donghoon Shin, Eungyu Woo

arxiv:2608.00795 v1 · 2026-08-01 · cs.CG · cs.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3J7QY3EPRHVXCZXU4S67QUWHVH}

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	2026-08-04T01:55:09.722831Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

da7f0c6c8f89eb7166f4e4bdf852c7a9d76329a294cb4b6dfba4b8707693f9f1

Aliases

arxiv: 2608.00795 · arxiv_version: 2608.00795v1 · doi: 10.48550/arxiv.2608.00795 · pith_short_12: 3J7QY3EPRHVX · pith_short_16: 3J7QY3EPRHVXCZXU · pith_short_8: 3J7QY3EP

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/3J7QY3EPRHVXCZXU4S67QUWHVH \
  | 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: da7f0c6c8f89eb7166f4e4bdf852c7a9d76329a294cb4b6dfba4b8707693f9f1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e44f258f50164cc7be2591627e1dcc8c6e8775d94eb91f26f9056e3e5220090e",
    "cross_cats_sorted": [
      "cs.DS"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2026-08-01T17:51:30Z",
    "title_canon_sha256": "d3165d63a715942be76f90218de47ff35da75d2f0b33be107f2c212e6f2267e3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2608.00795",
    "kind": "arxiv",
    "version": 1
  }
}