Pith Number

pith:XY2PNWRR

pith:2024:XY2PNWRRNXXTFKJYYBE6NN5DL2

not attested not anchored not stored refs pending

Reducibility among NP-Hard graph problems and boundary classes

Abdul Samad, Shahid Hussain, Syed Mujtaba Hassan

arxiv:2411.14553 v2 · 2024-11-21 · cs.CC · cs.CL · 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{XY2PNWRRNXXTFKJYYBE6NN5DL2}

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	2026-07-05T11:50:29.139337Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

be34f6da316def32a938c049e6b7a35eb99d7ffc62e281e30dd52f4d8c226024

Aliases

arxiv: 2411.14553 · arxiv_version: 2411.14553v2 · doi: 10.48550/arxiv.2411.14553 · pith_short_12: XY2PNWRRNXXT · pith_short_16: XY2PNWRRNXXTFKJY · pith_short_8: XY2PNWRR

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/XY2PNWRRNXXTFKJYYBE6NN5DL2 \
  | 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: be34f6da316def32a938c049e6b7a35eb99d7ffc62e281e30dd52f4d8c226024

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "93d48e3190c11eee4cd73b25c00722469e3f291fd4ce6e05548e0c6cb6471a12",
    "cross_cats_sorted": [
      "cs.CL",
      "cs.DM"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CC",
    "submitted_at": "2024-11-21T19:49:33Z",
    "title_canon_sha256": "ec75cc89aa6d909ee84d17db5ae464da3b5c9b77115163e285e2d7cc56203c60"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2411.14553",
    "kind": "arxiv",
    "version": 2
  }
}