Pith Number

pith:2OBSXN6X

pith:2025:2OBSXN6XMOEGXFP3ALWXM3NHRM

not attested not anchored not stored refs pending

A SAT-based Approach for Specification, Analysis, and Justification of Reductions between NP-complete Problems

Predrag Jani\v{c}i\'c

arxiv:2511.18639 v2 · 2025-11-23 · cs.LO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2OBSXN6XMOEGXFP3ALWXM3NHRM}

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	2026-06-30T02:17:11.816307Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d3832bb7d763886b95fb02ed766da78b11b1e6930ad8698529eb88930ee9fd4b

Aliases

arxiv: 2511.18639 · arxiv_version: 2511.18639v2 · doi: 10.48550/arxiv.2511.18639 · pith_short_12: 2OBSXN6XMOEG · pith_short_16: 2OBSXN6XMOEGXFP3 · pith_short_8: 2OBSXN6X

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/2OBSXN6XMOEGXFP3ALWXM3NHRM \
  | 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: d3832bb7d763886b95fb02ed766da78b11b1e6930ad8698529eb88930ee9fd4b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d0e7a4b6d350f52ba4e4fa759cd113eda83281e7d49339d2d40698be69ae6b44",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2025-11-23T22:34:35Z",
    "title_canon_sha256": "d47dcea647acabc168127756ca7854267fa4dccfb14a67170396d7cefe8225e2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2511.18639",
    "kind": "arxiv",
    "version": 2
  }
}