Pith Number

pith:HXSLVTSF

pith:2018:HXSLVTSF6JZFAIVFFWFPPKEMDS

not attested not anchored not stored refs pending

Linear Pseudo-Polynomial Factor Algorithm for Automaton Constrained Tree Knapsack Problem

Ryoma Sin'ya, Soh Kumabe, Takanori Maehara

arxiv:1807.04942 v2 · 2018-07-13 · cs.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HXSLVTSF6JZFAIVFFWFPPKEMDS}

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	2026-05-18T00:05:36.993439Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3de4bace45f2725022a52d8af7a88c1ca61f641b56f3e352e3953127780acea3

Aliases

arxiv: 1807.04942 · arxiv_version: 1807.04942v2 · doi: 10.48550/arxiv.1807.04942 · pith_short_12: HXSLVTSF6JZF · pith_short_16: HXSLVTSF6JZFAIVF · pith_short_8: HXSLVTSF

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/HXSLVTSF6JZFAIVFFWFPPKEMDS \
  | 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: 3de4bace45f2725022a52d8af7a88c1ca61f641b56f3e352e3953127780acea3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "451cf46b243b5f55903f725a52894e74837e9636c5c41ffcce8ea8cca39847ce",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2018-07-13T07:07:21Z",
    "title_canon_sha256": "5b75d4bfe6d051aab82d3b8932804ed4ea5752086df297fe0383b29c9976098e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.04942",
    "kind": "arxiv",
    "version": 2
  }
}