Pith Number

pith:SFFWUQKS

pith:2015:SFFWUQKSVSGFYUXCIYKIQZ3ZKQ

not attested not anchored not stored refs pending

A Refutation of the Clique-Based P=NP Proofs of LaPlante and Tamta-Pande-Dhami

Chester Holtz, Hector A. Cardenas, Maria Janczak, Nathaniel S. Potrepka, Philip Meyers

arxiv:1504.06890 v1 · 2015-04-26 · 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{SFFWUQKSVSGFYUXCIYKIQZ3ZKQ}

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	2026-05-18T02:17:44.141968Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

914b6a4152ac8c5c52e246148867795435508625082b449f94bb78e8bab3ad6a

Aliases

arxiv: 1504.06890 · arxiv_version: 1504.06890v1 · doi: 10.48550/arxiv.1504.06890 · pith_short_12: SFFWUQKSVSGF · pith_short_16: SFFWUQKSVSGFYUXC · pith_short_8: SFFWUQKS

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/SFFWUQKSVSGFYUXCIYKIQZ3ZKQ \
  | 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: 914b6a4152ac8c5c52e246148867795435508625082b449f94bb78e8bab3ad6a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "255a15749a135645779d288b961be1e0cf490cd3f2660407651cb6174e1021f5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CC",
    "submitted_at": "2015-04-26T22:51:32Z",
    "title_canon_sha256": "7b4b95463c9fe767eaa980c65778f9032e75d60e0a403e1c1d25c65faff17924"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.06890",
    "kind": "arxiv",
    "version": 1
  }
}