Pith Number

pith:7RCOVCGK

pith:2025:7RCOVCGKG7U2HORF27RNRU3NVE

not attested not anchored not stored refs pending

von Neumann measurement and quantum phase estimation of block-encoded Hamiltonians

S. E. Skelton

arxiv:2509.04246 v2 · 2025-09-04 · 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{7RCOVCGKG7U2HORF27RNRU3NVE}

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	2026-06-05T01:15:15.844136Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fc44ea88ca37e9a3ba25d7e2d8d36da92f8adbe12a1a566a00ed54e8fd558cbb

Aliases

arxiv: 2509.04246 · arxiv_version: 2509.04246v2 · doi: 10.48550/arxiv.2509.04246 · pith_short_12: 7RCOVCGKG7U2 · pith_short_16: 7RCOVCGKG7U2HORF · pith_short_8: 7RCOVCGK

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/7RCOVCGKG7U2HORF27RNRU3NVE \
  | 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: fc44ea88ca37e9a3ba25d7e2d8d36da92f8adbe12a1a566a00ed54e8fd558cbb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a43a7ade8c06c2c65da52cc7927bc5f288fda38fc2b88d1dde37a88cb56afb70",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2025-09-04T14:20:37Z",
    "title_canon_sha256": "374efce32bd3b900bcecad2d474a4c93a452f0be4ad5d80b446845e2079a54d3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2509.04246",
    "kind": "arxiv",
    "version": 2
  }
}