Pith Number

pith:2HMJZKPS

pith:2025:2HMJZKPSYRZH4RGWGYWVS7OD55

not attested not anchored not stored refs pending

Optimising Perfect Quantum State Transfer for Timing Insensitivity

Alastair Kay, Christino Tamon, Sooyeong Kim

arxiv:2507.18872 v1 · 2025-07-25 · quant-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2HMJZKPSYRZH4RGWGYWVS7OD55}

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.

Cited by

1 paper in Pith

Spectral Fusion for Identifying Early State Exclusion in Symmetric Quantum Spin Chains

Receipt and verification

First computed	2026-07-05T11:42:59.983949Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d1d89ca9f2c4727e44d6362d597dc3ef4878e3d51742c7e0da3ba8b5831db748

Aliases

arxiv: 2507.18872 · arxiv_version: 2507.18872v1 · doi: 10.48550/arxiv.2507.18872 · pith_short_12: 2HMJZKPSYRZH · pith_short_16: 2HMJZKPSYRZH4RGW · pith_short_8: 2HMJZKPS

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/2HMJZKPSYRZH4RGWGYWVS7OD55 \
  | 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: d1d89ca9f2c4727e44d6362d597dc3ef4878e3d51742c7e0da3ba8b5831db748

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "84465552618f832a17eb1643adf6244b99e4f72bfb90a55f85f990061281a2e0",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2025-07-25T01:07:35Z",
    "title_canon_sha256": "89306031277460c2de8b430ce35bec8736470a32efb945cf2d64ac3b8dc23d56"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.18872",
    "kind": "arxiv",
    "version": 1
  }
}