Pith Number

pith:2HCV2N76

pith:2016:2HCV2N76ZCN2XZET7ST53BVO37

not attested not anchored not stored refs pending

Complexity of Rainbow Vertex Connectivity Problems for Restricted Graph Classes

Juho Lauri

arxiv:1612.07768 v1 · 2016-12-22 · 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{2HCV2N76ZCN2XZET7ST53BVO37}

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	2026-05-18T00:54:09.407273Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d1c55d37fec89babe493fca7dd86aedfe449e66941b44c56e58de862d815387c

Aliases

arxiv: 1612.07768 · arxiv_version: 1612.07768v1 · doi: 10.48550/arxiv.1612.07768 · pith_short_12: 2HCV2N76ZCN2 · pith_short_16: 2HCV2N76ZCN2XZET · pith_short_8: 2HCV2N76

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/2HCV2N76ZCN2XZET7ST53BVO37 \
  | 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: d1c55d37fec89babe493fca7dd86aedfe449e66941b44c56e58de862d815387c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "128bcb1c229cccd7aab7b7f3794e21cff9b1f714d13d98e5fe5a7a7c68a559cc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CC",
    "submitted_at": "2016-12-22T19:52:12Z",
    "title_canon_sha256": "1f8e6703cd8410d3cfd86318bfbe3ea35ea62856096c67010f510e16a99565d0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1612.07768",
    "kind": "arxiv",
    "version": 1
  }
}