Pith Number

pith:KP4QRZTN

pith:2014:KP4QRZTNJRYHI5BIKZJMQZOJML

not attested not anchored not stored refs pending

The P versus NP Problem in Quantum Physics

D. Song

arxiv:1402.6970 v1 · 2014-02-12 · physics.gen-ph · 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{KP4QRZTNJRYHI5BIKZJMQZOJML}

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	2026-05-18T02:57:36.489215Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

53f908e66d4c707474285652c865c962e240cefbfb8691397dec0de7a35ca91e

Aliases

arxiv: 1402.6970 · arxiv_version: 1402.6970v1 · doi: 10.48550/arxiv.1402.6970 · pith_short_12: KP4QRZTNJRYH · pith_short_16: KP4QRZTNJRYHI5BI · pith_short_8: KP4QRZTN

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/KP4QRZTNJRYHI5BIKZJMQZOJML \
  | 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: 53f908e66d4c707474285652c865c962e240cefbfb8691397dec0de7a35ca91e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ebdeb7ead32080b7e93ade9c800b0b67fdc5ba3d4ef870f64552f5de7f1b53aa",
    "cross_cats_sorted": [
      "cs.CC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.gen-ph",
    "submitted_at": "2014-02-12T01:21:32Z",
    "title_canon_sha256": "099af76950ac48520880bae4c51137fa0f5212393b1aa693e8f48b4849d26896"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1402.6970",
    "kind": "arxiv",
    "version": 1
  }
}