Pith Number

pith:UIQYRH3U

pith:2017:UIQYRH3U63ZK2G5CF6AMCVRYOV

not attested not anchored not stored refs pending

The Complexity of Tree Partitioning

Ge Xia, Iyad Kanj, Qilong Feng, Zhao An

arxiv:1704.05896 v1 · 2017-04-19 · cs.CC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UIQYRH3U63ZK2G5CF6AMCVRYOV}

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	2026-05-18T00:46:03.828181Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a221889f74f6f2ad1ba22f80c156387563b1e08edbe5ac869546ef79e12ec4a0

Aliases

arxiv: 1704.05896 · arxiv_version: 1704.05896v1 · doi: 10.48550/arxiv.1704.05896 · pith_short_12: UIQYRH3U63ZK · pith_short_16: UIQYRH3U63ZK2G5C · pith_short_8: UIQYRH3U

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/UIQYRH3U63ZK2G5CF6AMCVRYOV \
  | 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: a221889f74f6f2ad1ba22f80c156387563b1e08edbe5ac869546ef79e12ec4a0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "77543e33a75062c3e821885e5ec0333dcdef4fabd03868e7155ce2d6d6c07de4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CC",
    "submitted_at": "2017-04-19T19:00:40Z",
    "title_canon_sha256": "2e8920e0d8f78ef1d67d60c8d8ed793d48f1be1925f76451d373430fcb1b9437"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.05896",
    "kind": "arxiv",
    "version": 1
  }
}