Pith Number

pith:CM3J2HBA

pith:2021:CM3J2HBAB6KDEQ6PTANP3VOLPS

not attested not anchored not stored refs pending

A Projection Operator-based Newton Method for the Trajectory Optimization of Closed Quantum Systems

Jieqiu Shao, John Hauser, Joshua Combes, Marco M. Nicotra

arxiv:2111.08795 v3 · 2021-11-16 · quant-ph · cs.SY · eess.SY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CM3J2HBAB6KDEQ6PTANP3VOLPS}

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	2026-07-05T05:10:35.280957Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

13369d1c200f943243cf981afdd5cb7cba472cb5c1a3e32788cf123afdcab3c8

Aliases

arxiv: 2111.08795 · arxiv_version: 2111.08795v3 · doi: 10.48550/arxiv.2111.08795 · pith_short_12: CM3J2HBAB6KD · pith_short_16: CM3J2HBAB6KDEQ6P · pith_short_8: CM3J2HBA

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/CM3J2HBAB6KDEQ6PTANP3VOLPS \
  | 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: 13369d1c200f943243cf981afdd5cb7cba472cb5c1a3e32788cf123afdcab3c8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7df11aa2ca69229d10ecf9b4bcc04cb410da8916c01f91e260d377d7ccc0949e",
    "cross_cats_sorted": [
      "cs.SY",
      "eess.SY"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2021-11-16T21:49:23Z",
    "title_canon_sha256": "f5047ec91c5173caccdf8460da2aef9968addf72949d335703f014524ac6a8d2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2111.08795",
    "kind": "arxiv",
    "version": 3
  }
}