Pith Number

pith:HUPDZPS5

pith:2017:HUPDZPS574WF2XNUTMPN5K3TCG

not attested not anchored not stored refs pending

0/1/all CSPs, Half-Integral $A$-path Packing, and Linear-Time FPT Algorithms

Yoichi Iwata, Yuichi Yoshida, Yutaro Yamaguchi

arxiv:1704.02700 v2 · 2017-04-10 · 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{HUPDZPS574WF2XNUTMPN5K3TCG}

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	2026-05-18T00:31:13.089326Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3d1e3cbe5dff2c5d5db49b1edeab7311bcb7c5a633931fef640be0bd3df1b03e

Aliases

arxiv: 1704.02700 · arxiv_version: 1704.02700v2 · doi: 10.48550/arxiv.1704.02700 · pith_short_12: HUPDZPS574WF · pith_short_16: HUPDZPS574WF2XNU · pith_short_8: HUPDZPS5

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/HUPDZPS574WF2XNUTMPN5K3TCG \
  | 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: 3d1e3cbe5dff2c5d5db49b1edeab7311bcb7c5a633931fef640be0bd3df1b03e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f838d51144ff0d7839d2912d6672f7a190faa86b4f1494c234375246f7d8ed44",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2017-04-10T03:50:16Z",
    "title_canon_sha256": "a79d8333d3628920748fbe67df5cc9c740fd9ad3623eb8cae085eaddd43a2791"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.02700",
    "kind": "arxiv",
    "version": 2
  }
}