Pith Number

pith:VEMN2DHK

pith:2020:VEMN2DHKJIPK33QOV53XSMNWXH

not attested not anchored not stored refs pending

Group-Harmonic and Group-Closeness Maximization -- Approximation and Engineering

Alexander van der Grinten, Eugenio Angriman, Gianlorenzo D'Angelo, Henning Meyerhenke, Hugo Gilbert, Ruben Becker

arxiv:2010.15435 v1 · 2020-10-29 · 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{VEMN2DHKJIPK33QOV53XSMNWXH}

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	2026-07-05T01:47:36.990079Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a918dd0cea4a1eadee0eaf777931b6b9d2adbf00a74efc707d90dd5f75556507

Aliases

arxiv: 2010.15435 · arxiv_version: 2010.15435v1 · doi: 10.48550/arxiv.2010.15435 · pith_short_12: VEMN2DHKJIPK · pith_short_16: VEMN2DHKJIPK33QO · pith_short_8: VEMN2DHK

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/VEMN2DHKJIPK33QOV53XSMNWXH \
  | 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: a918dd0cea4a1eadee0eaf777931b6b9d2adbf00a74efc707d90dd5f75556507

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0b56bed696c5b7ee185a9dea3282ffb0dddb00f00377cb873dffecae270584ed",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2020-10-29T09:13:43Z",
    "title_canon_sha256": "64ac8385990c0b91ea25344b888317bb7ce52bd9e4c1c578211ef897ef2ef0b2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2010.15435",
    "kind": "arxiv",
    "version": 1
  }
}