Pith Number

pith:USBUEWJV

pith:2019:USBUEWJVBMTOMBEXSZS4XYWGDN

not attested not anchored not stored refs pending

Improved Analysis of Highest-Degree Branching for Feedback Vertex Set

Yoichi Iwata, Yusuke Kobayashi

arxiv:1905.12233 v1 · 2019-05-29 · 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{USBUEWJVBMTOMBEXSZS4XYWGDN}

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	2026-05-17T23:44:44.932130Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a4834259350b26e604979665cbe2c61b5ff78a60fd3a36e86e8ee4657ecb6d2a

Aliases

arxiv: 1905.12233 · arxiv_version: 1905.12233v1 · doi: 10.48550/arxiv.1905.12233 · pith_short_12: USBUEWJVBMTO · pith_short_16: USBUEWJVBMTOMBEX · pith_short_8: USBUEWJV

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/USBUEWJVBMTOMBEXSZS4XYWGDN \
  | 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: a4834259350b26e604979665cbe2c61b5ff78a60fd3a36e86e8ee4657ecb6d2a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8c17cadf6a0126133bce3cc49242cc6097a807d5b9d17776b2ca3669e1a2df58",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2019-05-29T06:10:26Z",
    "title_canon_sha256": "eabbbed294c3c70295ba8542cc5428d6034ed1332c81790789f403003a0e6c6a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.12233",
    "kind": "arxiv",
    "version": 1
  }
}