Pith Number

pith:HW5KL4D2

pith:2014:HW5KL4D2NTDBKYUZHY4IND3FIU

not attested not anchored not stored refs pending

Parameterized Complexity of Bandwidth on Trees

Daniel Lokshtanov, Markus Sortland Dregi

arxiv:1404.7810 v1 · 2014-04-30 · cs.DS · cs.CC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HW5KL4D2NTDBKYUZHY4IND3FIU}

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	2026-05-18T02:52:49.881735Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3dbaa5f07a6cc61562993e38868f654533ee4f21aa81a43b427f4f347d67bedf

Aliases

arxiv: 1404.7810 · arxiv_version: 1404.7810v1 · doi: 10.48550/arxiv.1404.7810 · pith_short_12: HW5KL4D2NTDB · pith_short_16: HW5KL4D2NTDBKYUZ · pith_short_8: HW5KL4D2

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/HW5KL4D2NTDBKYUZHY4IND3FIU \
  | 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: 3dbaa5f07a6cc61562993e38868f654533ee4f21aa81a43b427f4f347d67bedf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8251b1eb8b764926f1883c38204cdfeb8e9b7377757ef5c24fe336e73f64e426",
    "cross_cats_sorted": [
      "cs.CC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2014-04-30T17:44:03Z",
    "title_canon_sha256": "560845be0e0eb09701260007116edb50ce1dbb0b10f0c3997f06f3b017c7aa09"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.7810",
    "kind": "arxiv",
    "version": 1
  }
}