Pith Number

pith:46A7MKD7

pith:2026:46A7MKD7WZER63B3ZKX2ROTUGM

not attested not anchored not stored refs pending

A Quantum Collocation Approach to One-Dimensional Boundary Value Problems with Coherent Amplitude Amplification

Bastian Harrach, Daniel Jaroszewski

arxiv:2606.31709 v1 · 2026-06-30 · 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{46A7MKD7WZER63B3ZKX2ROTUGM}

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	2026-07-01T01:18:12.408689Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e781f6287fb6491f6c3bcaafa8ba7433155c4b39a2ae2316a02b371991196726

Aliases

arxiv: 2606.31709 · arxiv_version: 2606.31709v1 · doi: 10.48550/arxiv.2606.31709 · pith_short_12: 46A7MKD7WZER · pith_short_16: 46A7MKD7WZER63B3 · pith_short_8: 46A7MKD7

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/46A7MKD7WZER63B3ZKX2ROTUGM \
  | 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: e781f6287fb6491f6c3bcaafa8ba7433155c4b39a2ae2316a02b371991196726

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "992429a56a1cec738ebc3fb8724025ae11d9f914e49de1896abe8c21378947db",
    "cross_cats_sorted": [
      "cs.NA",
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2026-06-30T14:15:58Z",
    "title_canon_sha256": "55a4684cf193d6b7f8693fe34b1a4011abca4c5f95711e275b7d0be385a56345"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.31709",
    "kind": "arxiv",
    "version": 1
  }
}