Pith Number

pith:UVRTETUN

pith:2017:UVRTETUN7FCFLN5VTNJSXSGBX7

not attested not anchored not stored refs pending

Cut Tree Structures with Applications on Contraction-Based Sparsification

Jens M. Schmidt, On-Hei Solomon Lo

arxiv:1707.00572 v1 · 2017-07-03 · math.CO · cs.DM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UVRTETUN7FCFLN5VTNJSXSGBX7}

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	2026-05-18T00:41:02.974504Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a563324e8df94455b7b59b532bc8c1bfd16f5b18d35ae6623b99d229f696e02a

Aliases

arxiv: 1707.00572 · arxiv_version: 1707.00572v1 · doi: 10.48550/arxiv.1707.00572 · pith_short_12: UVRTETUN7FCF · pith_short_16: UVRTETUN7FCFLN5V · pith_short_8: UVRTETUN

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/UVRTETUN7FCFLN5VTNJSXSGBX7 \
  | 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: a563324e8df94455b7b59b532bc8c1bfd16f5b18d35ae6623b99d229f696e02a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aa83cab394c23f3dda187a2b51717a11ddff8c4a68d40dbd4b92881be285a865",
    "cross_cats_sorted": [
      "cs.DM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2017-07-03T14:35:26Z",
    "title_canon_sha256": "c91ddbc3acdfc7ecfaa857f98636abc34983dcc169c3c560c69aafff17863c11"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.00572",
    "kind": "arxiv",
    "version": 1
  }
}