Pith Number

pith:K6B4IKAM

pith:2019:K6B4IKAM7YCINQCGUI7R6BCDZZ

not attested not anchored not stored refs pending

Approximate k-Cover in Hypergraphs: Efficient Algorithms, and Applications

Hung Nguyen, My Thai, Phuc Thai, Tam Vu, Thang Dinh

arxiv:1901.07928 v1 · 2019-01-23 · cs.SI · cs.DS · physics.soc-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{K6B4IKAM7YCINQCGUI7R6BCDZZ}

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	2026-05-17T23:55:39.464557Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5783c4280cfe0486c046a23f1f0443ce420d1a862abfc4a73d74d4e85ed45ab9

Aliases

arxiv: 1901.07928 · arxiv_version: 1901.07928v1 · doi: 10.48550/arxiv.1901.07928 · pith_short_12: K6B4IKAM7YCI · pith_short_16: K6B4IKAM7YCINQCG · pith_short_8: K6B4IKAM

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/K6B4IKAM7YCINQCGUI7R6BCDZZ \
  | 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: 5783c4280cfe0486c046a23f1f0443ce420d1a862abfc4a73d74d4e85ed45ab9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "853525247b46c2ebb3c86674a8a8ce6f2c5f5cccc0b6932025e3f08728ae7257",
    "cross_cats_sorted": [
      "cs.DS",
      "physics.soc-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SI",
    "submitted_at": "2019-01-23T14:49:36Z",
    "title_canon_sha256": "699ff5a88f7063bd4ff60af9e10e21821af59a7d3c539cc08239445c29b55381"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.07928",
    "kind": "arxiv",
    "version": 1
  }
}