Pith Number

pith:J6HUKBEU

pith:2021:J6HUKBEUPBREQIZ2JPICFXJORS

not attested not anchored not stored refs pending

Quantum algorithm for matrix functions by Cauchy's integral formula

Asuka Ohashi, Souichi Takahira, Tomohiro Sogabe, Tsuyoshi Sasaki Usuda

arxiv:2106.08075 v1 · 2021-06-15 · quant-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{J6HUKBEUPBREQIZ2JPICFXJORS}

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

1 paper in Pith

Faster quantum linear system solver beyond the condition number

Receipt and verification

First computed	2026-07-05T02:49:37.547867Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4f8f450494786248233a4bd022dd2e8c86f43be224cdf9439bffa56facb57024

Aliases

arxiv: 2106.08075 · arxiv_version: 2106.08075v1 · doi: 10.48550/arxiv.2106.08075 · pith_short_12: J6HUKBEUPBRE · pith_short_16: J6HUKBEUPBREQIZ2 · pith_short_8: J6HUKBEU

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/J6HUKBEUPBREQIZ2JPICFXJORS \
  | 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: 4f8f450494786248233a4bd022dd2e8c86f43be224cdf9439bffa56facb57024

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "17f5c66b5a3f366f313e5c7d69dcf21cfa928b872ad6587959693af37b8e14ed",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2021-06-15T12:10:16Z",
    "title_canon_sha256": "92a843d14fec47baa35c2eb9fcbe5d3305c4f200e4ecb231a41eaac2aba65678"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2106.08075",
    "kind": "arxiv",
    "version": 1
  }
}