Pith Number

pith:H7NDG54C

pith:2020:H7NDG54CZW7N2QBXQG3JLCVWQD

not attested not anchored not stored refs pending

Continuous dynamical decoupling of spin chains: Inducing two-qubit interactions to generate perfect entanglement

Abdullah Irfan, Adam Zaman Chaudhry, Muhammad Usman Baig, Syeda Neha Zaidi, Syed Furqan Abbas Hashmi, Wahaj Ayub

arxiv:2012.03873 v3 · 2020-12-07 · 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{H7NDG54CZW7N2QBXQG3JLCVWQD}

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	2026-07-05T07:22:10.972942Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3fda337782cdbedd403781b6958ab680e6fa533a98330b88ac0ec769d27f28b5

Aliases

arxiv: 2012.03873 · arxiv_version: 2012.03873v3 · doi: 10.48550/arxiv.2012.03873 · pith_short_12: H7NDG54CZW7N · pith_short_16: H7NDG54CZW7N2QBX · pith_short_8: H7NDG54C

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/H7NDG54CZW7N2QBXQG3JLCVWQD \
  | 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: 3fda337782cdbedd403781b6958ab680e6fa533a98330b88ac0ec769d27f28b5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7f71967a0954add2b5ecaf90a5128c694c44026bf6e7f08fedcc5d4ad2d50735",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2020-12-07T17:36:44Z",
    "title_canon_sha256": "1e0e5f452a19cf9f117d7e5a970f50d905ad9d6b4d0dd236e03ce0993d738d1b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2012.03873",
    "kind": "arxiv",
    "version": 3
  }
}