Pith Number

pith:5T2RIPGW

pith:2014:5T2RIPGWUO33I2YRWCNIKB37KQ

not attested not anchored not stored refs pending

Critique of J. Kim's "P is not equal to NP by Modus Tollens"

Adam Scrivener, Dan Hassin, Yibo Zhou

arxiv:1404.5352 v2 · 2014-04-22 · 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{5T2RIPGWUO33I2YRWCNIKB37KQ}

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	2026-05-18T02:53:06.911586Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ecf5143cd6a3b7b46b11b09a85077f543bcb1083ffa4b6cf2d912859574d87ec

Aliases

arxiv: 1404.5352 · arxiv_version: 1404.5352v2 · doi: 10.48550/arxiv.1404.5352 · pith_short_12: 5T2RIPGWUO33 · pith_short_16: 5T2RIPGWUO33I2YR · pith_short_8: 5T2RIPGW

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/5T2RIPGWUO33I2YRWCNIKB37KQ \
  | 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: ecf5143cd6a3b7b46b11b09a85077f543bcb1083ffa4b6cf2d912859574d87ec

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3a7172925e6fd9b80dce22c38f00b8bb7adfb47dab1db31635a7d8c199222774",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CC",
    "submitted_at": "2014-04-22T00:05:19Z",
    "title_canon_sha256": "4d1e85c704633d0f0b4c9428bc28e2c526346d1241c3a241cd2237033033f380"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.5352",
    "kind": "arxiv",
    "version": 2
  }
}