Pith Number

pith:WMWBJPK2

pith:2015:WMWBJPK252NGQ4WFTXL5PQC5RB

not attested not anchored not stored refs pending

Inapproximability of $H$-Transversal/Packing

Euiwoong Lee, Venkatesan Guruswami

arxiv:1506.06302 v1 · 2015-06-20 · cs.CC · 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{WMWBJPK252NGQ4WFTXL5PQC5RB}

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	2026-05-18T01:41:45.553296Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b32c14bd5aee9a6872c59dd7d7c05d8878a052cf70cf269e11439e24c8401dc4

Aliases

arxiv: 1506.06302 · arxiv_version: 1506.06302v1 · doi: 10.48550/arxiv.1506.06302 · pith_short_12: WMWBJPK252NG · pith_short_16: WMWBJPK252NGQ4WF · pith_short_8: WMWBJPK2

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/WMWBJPK252NGQ4WFTXL5PQC5RB \
  | 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: b32c14bd5aee9a6872c59dd7d7c05d8878a052cf70cf269e11439e24c8401dc4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d4edf74ec17b38f2af33d31c602476a4811579a8b135fa38d45dbddc595a02de",
    "cross_cats_sorted": [
      "cs.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CC",
    "submitted_at": "2015-06-20T22:55:06Z",
    "title_canon_sha256": "6c8382c6d1c74ec32010466740d9ff708d04c0ef0bc6cd62f90d5dca6486b5bc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.06302",
    "kind": "arxiv",
    "version": 1
  }
}