Pith Number

pith:4FLTFLUV

pith:2011:4FLTFLUVZLPKJGUYE2ZWQEUO7Z

not attested not anchored not stored refs pending

Some Results on the Target Set Selection Problem

Bo-Jr Li, Chun-Ying Chiang, Hong-Gwa Yeh, Jiaojiao Wu, Liang-Hao Huang

arxiv:1111.6685 v1 · 2011-11-29 · math.CO · cs.CC · cs.DM · cs.DS · cs.SI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4FLTFLUVZLPKJGUYE2ZWQEUO7Z}

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	2026-05-18T04:07:28.750025Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e15732ae95cadea49a9826b368128efe4c4b091fc58bb113aa6b2cede38da9bb

Aliases

arxiv: 1111.6685 · arxiv_version: 1111.6685v1 · doi: 10.48550/arxiv.1111.6685 · pith_short_12: 4FLTFLUVZLPK · pith_short_16: 4FLTFLUVZLPKJGUY · pith_short_8: 4FLTFLUV

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/4FLTFLUVZLPKJGUYE2ZWQEUO7Z \
  | 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: e15732ae95cadea49a9826b368128efe4c4b091fc58bb113aa6b2cede38da9bb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fa1dcf8061777ec81506f0b74c4d4e055c113b2038c0f76f436d56381774cd3e",
    "cross_cats_sorted": [
      "cs.CC",
      "cs.DM",
      "cs.DS",
      "cs.SI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2011-11-29T04:22:33Z",
    "title_canon_sha256": "5049ea23df453ef73b4e62d697c44f119a4b34d6f1ebd718e0f459b33930d87b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.6685",
    "kind": "arxiv",
    "version": 1
  }
}