Pith Number

pith:MRDTHATZ

pith:2026:MRDTHATZTKCJ2SYX6FVICHBG6L

not attested not anchored not stored refs pending

Estimating Fidelity to a Reference Quantum State

Qisheng Wang

arxiv:2606.26034 v1 · 2026-06-24 · quant-ph · cs.CC · cs.IT · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MRDTHATZTKCJ2SYX6FVICHBG6L}

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	2026-06-25T01:18:46.398399Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

64473382799a849d4b17f16a811c26f2d7cd55497c75397721a5a756c406f9ef

Aliases

arxiv: 2606.26034 · arxiv_version: 2606.26034v1 · doi: 10.48550/arxiv.2606.26034 · pith_short_12: MRDTHATZTKCJ · pith_short_16: MRDTHATZTKCJ2SYX · pith_short_8: MRDTHATZ

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/MRDTHATZTKCJ2SYX6FVICHBG6L \
  | 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: 64473382799a849d4b17f16a811c26f2d7cd55497c75397721a5a756c406f9ef

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9e441b1b7f8ada05e590802f3b05255e0dd2fda078af9385bdac19afd321ae0e",
    "cross_cats_sorted": [
      "cs.CC",
      "cs.IT",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2026-06-24T17:09:20Z",
    "title_canon_sha256": "7d32472bf9309a4600fce99eda7d133025311ed4bac143c50fb62bd2523bcf84"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.26034",
    "kind": "arxiv",
    "version": 1
  }
}