Pith Number

pith:UGW5OBSA

pith:2018:UGW5OBSADBGX53NMJU5BPJCMO4

not attested not anchored not stored refs pending

Partitioning Vectors into Quadruples: Worst-Case Analysis of a Matching-Based Algorithm

Annette M. C. Ficker, Frits C. R. Spieksma, Matus Mihalak, Thomas Erlebach

arxiv:1807.01962 v1 · 2018-07-05 · cs.DS · cs.DM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UGW5OBSADBGX53NMJU5BPJCMO4}

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	2026-05-18T00:11:24.595647Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a1add70640184d7eedac4d3a17a44c773a410503510d4f75acdb2ffb2d335f70

Aliases

arxiv: 1807.01962 · arxiv_version: 1807.01962v1 · doi: 10.48550/arxiv.1807.01962 · pith_short_12: UGW5OBSADBGX · pith_short_16: UGW5OBSADBGX53NM · pith_short_8: UGW5OBSA

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/UGW5OBSADBGX53NMJU5BPJCMO4 \
  | 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: a1add70640184d7eedac4d3a17a44c773a410503510d4f75acdb2ffb2d335f70

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "990e258960c34022d46d821a73e0f8756af1c52399645819e9ac93b05fa08de9",
    "cross_cats_sorted": [
      "cs.DM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2018-07-05T12:34:10Z",
    "title_canon_sha256": "1ad3d94841b412a669f7e14dbb04ddbca9b2ecfbbe2a3811763c4244b99187ea"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.01962",
    "kind": "arxiv",
    "version": 1
  }
}