Pith Number

pith:V4GFECPW

pith:2021:V4GFECPWN6ROZ6JEPV2AJGFIN5

not attested not anchored not stored refs pending

A theory of quantum subspace diagonalization

Ethan N. Epperly, Lin Lin, Yuji Nakatsukasa

arxiv:2110.07492 v2 · 2021-10-14 · quant-ph · cs.NA · math.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{V4GFECPWN6ROZ6JEPV2AJGFIN5}

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.

Cited by

4 papers in Pith

Nonisothermal global-pressure exactness in fractured multiphase flow with aperture feedback

Approximating Hartree-Fock theory via an efficiently local reformulation

Constrained Optimal Polynomials for Quantum Linear System Solvers

Receipt and verification

First computed	2026-07-05T06:20:33.641597Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

af0c5209f66fa2ecf9247d740498a86f6d565a944a0952d4070f4472635a89cd

Aliases

arxiv: 2110.07492 · arxiv_version: 2110.07492v2 · doi: 10.48550/arxiv.2110.07492 · pith_short_12: V4GFECPWN6RO · pith_short_16: V4GFECPWN6ROZ6JE · pith_short_8: V4GFECPW

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/V4GFECPWN6ROZ6JEPV2AJGFIN5 \
  | 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: af0c5209f66fa2ecf9247d740498a86f6d565a944a0952d4070f4472635a89cd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9dbd3bf3e9d02a12f90fbcc0259bee96ff98df11aa3d31c77d8a5fba86d98ede",
    "cross_cats_sorted": [
      "cs.NA",
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2021-10-14T16:09:07Z",
    "title_canon_sha256": "919acb444bcdb3fb85609229f0c363f65317b02ace05b47c59c55e5fd824acf4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2110.07492",
    "kind": "arxiv",
    "version": 2
  }
}