Pith Number

pith:KDQCS3Q7

pith:2019:KDQCS3Q7JUC4YIC22L4SWYHAVS

not attested not anchored not stored refs pending

Finding minimum locating arrays using a CSP solver

Hideharu Kojima, Hiroyuki Nakagawa, Tatsuhiro Tsuchiya, Tatsuya Konishi

arxiv:1904.07480 v1 · 2019-04-16 · cs.SE · 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{KDQCS3Q7JUC4YIC22L4SWYHAVS}

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	2026-05-17T23:48:25.120549Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

50e0296e1f4d05cc205ad2f92b60e0ac9e3eea9a62ecdb4543a44df883d3e362

Aliases

arxiv: 1904.07480 · arxiv_version: 1904.07480v1 · doi: 10.48550/arxiv.1904.07480 · pith_short_12: KDQCS3Q7JUC4 · pith_short_16: KDQCS3Q7JUC4YIC2 · pith_short_8: KDQCS3Q7

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/KDQCS3Q7JUC4YIC22L4SWYHAVS \
  | 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: 50e0296e1f4d05cc205ad2f92b60e0ac9e3eea9a62ecdb4543a44df883d3e362

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "786ccd80c2563d491365a0c210d3cd3d6c30a8b06007cb8f43a51ecfd0b99591",
    "cross_cats_sorted": [
      "cs.DM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2019-04-16T05:59:06Z",
    "title_canon_sha256": "9940c5e3e23ece8c654f899451cb64c1a4a1e8d227807de1e7a5cf38b04d17c0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.07480",
    "kind": "arxiv",
    "version": 1
  }
}