Pith Number

pith:2E2VXFGQ

pith:2018:2E2VXFGQIYCGBZRERRG4R64ZR7

not attested not anchored not stored refs pending

One-second coherence for a single electron spin coupled to a multi-qubit nuclear-spin environment

Daniel J. Twitchen, Julia Cramer, Matthew Markham, Michiel A. Bakker, Mohamed H. Abobeih, Norbert Kalb, Tim H. Taminiau

arxiv:1801.01196 v1 · 2018-01-03 · 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{2E2VXFGQIYCGBZRERRG4R64ZR7}

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	2026-05-18T00:10:47.001996Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d1355b94d0460460e6248c4dc8fb998ffdf6af92be2c38f2cf6b53dda4c7cac0

Aliases

arxiv: 1801.01196 · arxiv_version: 1801.01196v1 · doi: 10.48550/arxiv.1801.01196 · pith_short_12: 2E2VXFGQIYCG · pith_short_16: 2E2VXFGQIYCGBZRE · pith_short_8: 2E2VXFGQ

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/2E2VXFGQIYCGBZRERRG4R64ZR7 \
  | 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: d1355b94d0460460e6248c4dc8fb998ffdf6af92be2c38f2cf6b53dda4c7cac0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b6f9a7eefa1bda32559480ac719a2364602f10a0e09e7d3ac085e55cdb478bc9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2018-01-03T22:12:24Z",
    "title_canon_sha256": "cd77b4cc268beed142f821a1a99704e172fc1060874059baceab1255c8bf86b0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.01196",
    "kind": "arxiv",
    "version": 1
  }
}