Pith Number

pith:RQWVXEE5

pith:2012:RQWVXEE5ZOVKQ4LGKLNDNEOMPK

not attested not anchored not stored refs pending

A Non-Differentiable Quantum Variational Embedding in Presence of Time Delays

Delfim F. M. Torres, Gastao S. F. Frederico

arxiv:1211.4391 v1 · 2012-11-19 · math.OC · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RQWVXEE5ZOVKQ4LGKLNDNEOMPK}

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	2026-05-18T03:21:10.457646Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8c2d5b909dcbaaa8716652da3691cc7a961bd666b045efe0289328f134f685cf

Aliases

arxiv: 1211.4391 · arxiv_version: 1211.4391v1 · doi: 10.48550/arxiv.1211.4391 · pith_short_12: RQWVXEE5ZOVK · pith_short_16: RQWVXEE5ZOVKQ4LG · pith_short_8: RQWVXEE5

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/RQWVXEE5ZOVKQ4LGKLNDNEOMPK \
  | 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: 8c2d5b909dcbaaa8716652da3691cc7a961bd666b045efe0289328f134f685cf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "587b286f1b376704b04ea10f2365d57a3ecef47b507c5c75211f869445460c2f",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2012-11-19T12:39:09Z",
    "title_canon_sha256": "6d484bb834d5a8b31463a058d43692697968a6f70c5217a97b214fa09ac18f0b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1211.4391",
    "kind": "arxiv",
    "version": 1
  }
}