Pith Number

pith:SGU5JEKL

pith:2018:SGU5JEKLMMNVB4GF6JZFA4KA47

not attested not anchored not stored refs pending

Approximating Minimum Dominating Set on String Graphs

Dibyayan Chakraborty, Joydeep Mukherjee, Sandip Das

arxiv:1809.09990 v2 · 2018-09-26 · cs.DM · cs.CG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SGU5JEKLMMNVB4GF6JZFA4KA47}

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	2026-05-18T00:04:29.094387Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

91a9d4914b631b50f0c5f272507140e7d0182153db4d154b390cea7cdcdb12cb

Aliases

arxiv: 1809.09990 · arxiv_version: 1809.09990v2 · doi: 10.48550/arxiv.1809.09990 · pith_short_12: SGU5JEKLMMNV · pith_short_16: SGU5JEKLMMNVB4GF · pith_short_8: SGU5JEKL

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/SGU5JEKLMMNVB4GF6JZFA4KA47 \
  | 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: 91a9d4914b631b50f0c5f272507140e7d0182153db4d154b390cea7cdcdb12cb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "714e215f286a24213d03695872ec03355ea5f485dff6218026101611b2192ca7",
    "cross_cats_sorted": [
      "cs.CG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.DM",
    "submitted_at": "2018-09-26T13:38:56Z",
    "title_canon_sha256": "ecba84e1fb9602de3890104941438bd4b3df08ca1b9ed9c521d6b851e9f6a822"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.09990",
    "kind": "arxiv",
    "version": 2
  }
}