Pith Number

pith:HRRS3HZU

pith:2017:HRRS3HZUKIX7SZBDTM75ATKJKO

not attested not anchored not stored refs pending

Approximating Connected Safe Sets in Weighted Trees

Dieter Rautenbach, Stefan Ehard

arxiv:1711.11412 v2 · 2017-11-30 · 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{HRRS3HZUKIX7SZBDTM75ATKJKO}

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.

Cited by

1 paper in Pith

Stable structure on safe set problems in vertex-weighted graphs

Receipt and verification

First computed	2026-05-18T00:29:05.262506Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3c632d9f34522ff964239b3fd04d49538b8dc046837311244d0cae484eab8b9f

Aliases

arxiv: 1711.11412 · arxiv_version: 1711.11412v2 · doi: 10.48550/arxiv.1711.11412 · pith_short_12: HRRS3HZUKIX7 · pith_short_16: HRRS3HZUKIX7SZBD · pith_short_8: HRRS3HZU

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/HRRS3HZUKIX7SZBDTM75ATKJKO \
  | 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: 3c632d9f34522ff964239b3fd04d49538b8dc046837311244d0cae484eab8b9f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e1398dbf72b0c5883e92995192c298434783c0563635334011dd4f5b0a031b72",
    "cross_cats_sorted": [
      "cs.DM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2017-11-30T14:18:55Z",
    "title_canon_sha256": "05b183956809de6c90dd40c550df7d7b8c950b37a409754606cbb0ff37367666"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.11412",
    "kind": "arxiv",
    "version": 2
  }
}