Pith Number

pith:C6TOGR3D

pith:2011:C6TOGR3DDIM3IQGSAVEAVKY5C2

not attested not anchored not stored refs pending

Hardness and Parameterized Algorithms on Rainbow Connectivity problem

Kanthi K Sarpatwar, Meghana Nasre, Prabhanjan Ananth

arxiv:1105.0979 v2 · 2011-05-05 · cs.DM · 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{C6TOGR3DDIM3IQGSAVEAVKY5C2}

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	2026-05-18T04:11:31.632240Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

17a6e347631a19b440d205480aab1d169cf64aed36fd6f1bb8693a90f2cc231c

Aliases

arxiv: 1105.0979 · arxiv_version: 1105.0979v2 · doi: 10.48550/arxiv.1105.0979 · pith_short_12: C6TOGR3DDIM3 · pith_short_16: C6TOGR3DDIM3IQGS · pith_short_8: C6TOGR3D

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/C6TOGR3DDIM3IQGSAVEAVKY5C2 \
  | 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: 17a6e347631a19b440d205480aab1d169cf64aed36fd6f1bb8693a90f2cc231c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a5fdccd7e42f268261982e1285217b86b9c0ec1794fb16450c812c86ca41498c",
    "cross_cats_sorted": [
      "cs.CC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DM",
    "submitted_at": "2011-05-05T05:39:34Z",
    "title_canon_sha256": "9ebcd31d2319f4fadc2c4da95d7498748be566bba98d2a5ec7a72e547d501ce3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1105.0979",
    "kind": "arxiv",
    "version": 2
  }
}