Pith Number

pith:4WBMK36N

pith:2024:4WBMK36NWYA247R44EQAS2WIXK

not attested not anchored not stored refs pending

Quantum channels, complex Stiefel manifolds, and optimization

Alexander Pechen, Boris Volkov, Ivan Russkikh

arxiv:2408.09820 v1 · 2024-08-19 · 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{4WBMK36NWYA247R44EQAS2WIXK}

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

Measuring Butterfly Velocity in the XY Model on Emerging Quantum Computers

Receipt and verification

First computed	2026-07-05T11:17:34.574660Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e582c56fcdb601ae7e3ce120096ac8babccb67c4cb1bdbc24cdccaa4b2e09b75

Aliases

arxiv: 2408.09820 · arxiv_version: 2408.09820v1 · doi: 10.48550/arxiv.2408.09820 · pith_short_12: 4WBMK36NWYA2 · pith_short_16: 4WBMK36NWYA247R4 · pith_short_8: 4WBMK36N

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/4WBMK36NWYA247R44EQAS2WIXK \
  | 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: e582c56fcdb601ae7e3ce120096ac8babccb67c4cb1bdbc24cdccaa4b2e09b75

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a7044c2449c7400865d0dca6e9dd78cfb0e33ebf1a1205e3ffe7f974df07672c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2024-08-19T09:15:54Z",
    "title_canon_sha256": "8c75bba2acc982a538477cd93c0c7a6c5ac95cb43bc9f9432f29372a7f385912"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2408.09820",
    "kind": "arxiv",
    "version": 1
  }
}