Pith Number

pith:DJEKWLBH

pith:2025:DJEKWLBHAX6JQB5WSWSFQWQBAD

not attested not anchored not stored refs pending

Model-based framework for automated quantification of error sources in quantum state tomography

Hiroki Takesue, Hsin-Pin Lo, Junpei Oba, Seiji Kajita, Takayuki Matsui, Takuya Ikuta, Toshimori Honjo, Yasuhiro Yamada, Yuya Yonezu

arxiv:2508.05538 v1 · 2025-08-07 · quant-ph · physics.comp-ph · physics.optics

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DJEKWLBHAX6JQB5WSWSFQWQBAD}

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	2026-07-05T11:50:15.075368Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1a48ab2c2705fc9807b695a4585a0100e422349c331cf216b84fd5f5cb5d2955

Aliases

arxiv: 2508.05538 · arxiv_version: 2508.05538v1 · doi: 10.48550/arxiv.2508.05538 · pith_short_12: DJEKWLBHAX6J · pith_short_16: DJEKWLBHAX6JQB5W · pith_short_8: DJEKWLBH

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/DJEKWLBHAX6JQB5WSWSFQWQBAD \
  | 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: 1a48ab2c2705fc9807b695a4585a0100e422349c331cf216b84fd5f5cb5d2955

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e6e1e7b9374625ca48c04731b4e6f7fdcf83cab3c6550d7ea5a344f08933c5a7",
    "cross_cats_sorted": [
      "physics.comp-ph",
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2025-08-07T16:13:27Z",
    "title_canon_sha256": "0d244d494356c0750c74caf2d4fbe6ea49e8be67e5b2a77a4430fa94671858ff"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2508.05538",
    "kind": "arxiv",
    "version": 1
  }
}