Pith Number

pith:Q2W7E5WU

pith:2017:Q2W7E5WUTOFJMS4ETD42O74WUJ

not attested not anchored not stored refs pending

Parameterized Complexity of the List Coloring Reconfiguration Problem with Graph Parameters

Takehiro Ito, Tatsuhiko Hatanaka, Xiao Zhou

arxiv:1705.07551 v1 · 2017-05-22 · cs.DS · 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{Q2W7E5WUTOFJMS4ETD42O74WUJ}

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	2026-05-18T00:44:05.219603Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

86adf276d49b8a964b8498f9a77f96a2407ba6f909a85c928706eaa3a5104834

Aliases

arxiv: 1705.07551 · arxiv_version: 1705.07551v1 · doi: 10.48550/arxiv.1705.07551 · pith_short_12: Q2W7E5WUTOFJ · pith_short_16: Q2W7E5WUTOFJMS4E · pith_short_8: Q2W7E5WU

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/Q2W7E5WUTOFJMS4ETD42O74WUJ \
  | 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: 86adf276d49b8a964b8498f9a77f96a2407ba6f909a85c928706eaa3a5104834

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f35190c40e201766d80de4341795195eb5d4c7926b782432c5d7e0a32877f602",
    "cross_cats_sorted": [
      "cs.DM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2017-05-22T04:22:49Z",
    "title_canon_sha256": "c1e5b6aa408c6ffa058c0f8011db3fba33273353c0a450337f673850f9c2c8b7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.07551",
    "kind": "arxiv",
    "version": 1
  }
}