Pith Number

pith:3TPAW3FB

pith:2018:3TPAW3FB3AY3CWTI6YNQRPFLTS

not attested not anchored not stored refs pending

Incremental Optimization of Independent Sets under Reachability Constraints

Akira Suzuki, Haruka Mizuta, Naomi Nishimura, Takehiro Ito

arxiv:1804.09422 v1 · 2018-04-25 · 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{3TPAW3FB3AY3CWTI6YNQRPFLTS}

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	2026-05-18T00:17:31.848857Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dcde0b6ca1d831b15a68f61b08bcab9c92243d9c166e950a66c07fc525dbd037

Aliases

arxiv: 1804.09422 · arxiv_version: 1804.09422v1 · doi: 10.48550/arxiv.1804.09422 · pith_short_12: 3TPAW3FB3AY3 · pith_short_16: 3TPAW3FB3AY3CWTI · pith_short_8: 3TPAW3FB

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/3TPAW3FB3AY3CWTI6YNQRPFLTS \
  | 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: dcde0b6ca1d831b15a68f61b08bcab9c92243d9c166e950a66c07fc525dbd037

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "68dbfecb866d1cd259fe76c37180abbba99422d9454f76055f480d5024019133",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DM",
    "submitted_at": "2018-04-25T08:29:10Z",
    "title_canon_sha256": "e180af5dfbf6c509f67eff760b6b0f540e16a8a2c54010772928fd582d4be6cd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.09422",
    "kind": "arxiv",
    "version": 1
  }
}