Pith Number

pith:NOU6KFX2

pith:2021:NOU6KFX2O4W7HR7SJAWP6YQEQT

not attested not anchored not stored refs pending

Targeted Branching for the Maximum Independent Set Problem

Christian Schorr, Demian Hespe, Sebastian Lamm

arxiv:2102.01540 v2 · 2021-02-02 · 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{NOU6KFX2O4W7HR7SJAWP6YQEQT}

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

Reducibility of native weighted graphs on Rydberg Arrays

Receipt and verification

First computed	2026-07-05T02:26:55.318052Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6ba9e516fa772df3c7f2482cff620484e30cacc95ce5d9456e060641f0dc0603

Aliases

arxiv: 2102.01540 · arxiv_version: 2102.01540v2 · doi: 10.48550/arxiv.2102.01540 · pith_short_12: NOU6KFX2O4W7 · pith_short_16: NOU6KFX2O4W7HR7S · pith_short_8: NOU6KFX2

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/NOU6KFX2O4W7HR7SJAWP6YQEQT \
  | 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: 6ba9e516fa772df3c7f2482cff620484e30cacc95ce5d9456e060641f0dc0603

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "21f764fc35c1715a2bd37669b7b6ecb82891039f183c713664723e12f1f6c5f7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2021-02-02T15:09:18Z",
    "title_canon_sha256": "b963e08eb8a4db84101f1ca1e43af6e99dc88f998f48a7a8530654a001ab8590"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2102.01540",
    "kind": "arxiv",
    "version": 2
  }
}