Pith Number

pith:PDITT6MV

pith:2026:PDITT6MVDOTAMNCBZA3FDXQM67

not attested not anchored not stored refs pending

Learning the structure of open quantum systems

Ewin Tang, John Wright, Laura Lewis

arxiv:2606.30358 v1 · 2026-06-29 · quant-ph · cs.DS · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PDITT6MVDOTAMNCBZA3FDXQM67}

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	2026-06-30T02:18:11.744305Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

78d139f9951ba6063441c83651de0cf7f32f1f2cae5337730cde127cbbf3f96a

Aliases

arxiv: 2606.30358 · arxiv_version: 2606.30358v1 · doi: 10.48550/arxiv.2606.30358 · pith_short_12: PDITT6MVDOTA · pith_short_16: PDITT6MVDOTAMNCB · pith_short_8: PDITT6MV

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/PDITT6MVDOTAMNCBZA3FDXQM67 \
  | 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: 78d139f9951ba6063441c83651de0cf7f32f1f2cae5337730cde127cbbf3f96a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "49dedde1ab31ecaa79fea6c277c23ef48eff82b551db107b9036e0de9493ca79",
    "cross_cats_sorted": [
      "cs.DS",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2026-06-29T14:25:24Z",
    "title_canon_sha256": "2e0aa3399cee08e1ea2989e1f901ab490b8c62f8adb9ffdf2430441251b39fb8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.30358",
    "kind": "arxiv",
    "version": 1
  }
}