Pith Number

pith:6KINLPYW

pith:2012:6KINLPYWIJW7UKE7JDVLGSIY6L

not attested not anchored not stored refs pending

$T_1$-Echo Sequence - Protecting the state of a qubit in the presence of coherent interaction

Alexander Shnirman, Clemens M\"uller, Martin Weides

arxiv:1207.3821 v2 · 2012-07-16 · quant-ph · cond-mat.mes-hall

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6KINLPYWIJW7UKE7JDVLGSIY6L}

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	2026-05-18T03:44:46.815053Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f290d5bf16426dfa289f48eab34918f2e9e288062e652e4993a6140dbb8d7f39

Aliases

arxiv: 1207.3821 · arxiv_version: 1207.3821v2 · doi: 10.48550/arxiv.1207.3821 · pith_short_12: 6KINLPYWIJW7 · pith_short_16: 6KINLPYWIJW7UKE7 · pith_short_8: 6KINLPYW

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/6KINLPYWIJW7UKE7JDVLGSIY6L \
  | 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: f290d5bf16426dfa289f48eab34918f2e9e288062e652e4993a6140dbb8d7f39

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "11e6cc979b8d918cd418266228405e64499fdab848a02e4e1f57fbaf8be80ccd",
    "cross_cats_sorted": [
      "cond-mat.mes-hall"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2012-07-16T20:48:29Z",
    "title_canon_sha256": "607b5b320f360abaa7ddc6e64819f3e0b18e72851a9e286d274b2c4249ade0a9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.3821",
    "kind": "arxiv",
    "version": 2
  }
}