Pith Number

pith:LFFZJGXP

pith:2019:LFFZJGXPWJPFAUCVIR3LOBPDHG

not attested not anchored not stored refs pending

Exact and heuristic algorithms for the weighted total domination problem

Eduardo \'Alvarez-Miranda, Markus Sinnl

arxiv:1910.03363 v1 · 2019-10-08 · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LFFZJGXPWJPFAUCVIR3LOBPDHG}

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	2026-07-05T00:10:20.470718Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

594b949aefb25e5050554476b705e3399d268dd4515a28064b629b0306890d00

Aliases

arxiv: 1910.03363 · arxiv_version: 1910.03363v1 · doi: 10.48550/arxiv.1910.03363 · pith_short_12: LFFZJGXPWJPF · pith_short_16: LFFZJGXPWJPFAUCV · pith_short_8: LFFZJGXP

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/LFFZJGXPWJPFAUCVIR3LOBPDHG \
  | 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: 594b949aefb25e5050554476b705e3399d268dd4515a28064b629b0306890d00

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "64dee0cb9c7540c7381536f6ae63273b8ade928a30a38b138eae2fa53484ea2e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2019-10-08T12:33:36Z",
    "title_canon_sha256": "d4d5e9ffc85c8b89dbd631aefd6708d3a1e8f5d47d2ec9b041aff5480309eed8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1910.03363",
    "kind": "arxiv",
    "version": 1
  }
}