Pith Number

pith:LU4HGXOH

pith:2016:LU4HGXOHTFDPU7SUCHTMH7GNNT

not attested not anchored not stored refs pending

A controlled ac Stark echo for quantum memories

B. S. Ham

arxiv:1612.02193 v2 · 2016-12-07 · 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{LU4HGXOHTFDPU7SUCHTMH7GNNT}

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	2026-05-18T00:55:06.261720Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5d38735dc79946fa7e5411e6c3fccd6cc706ce4239299a5b87e6cfdae7c013bc

Aliases

arxiv: 1612.02193 · arxiv_version: 1612.02193v2 · doi: 10.48550/arxiv.1612.02193 · pith_short_12: LU4HGXOHTFDP · pith_short_16: LU4HGXOHTFDPU7SU · pith_short_8: LU4HGXOH

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/LU4HGXOHTFDPU7SUCHTMH7GNNT \
  | 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: 5d38735dc79946fa7e5411e6c3fccd6cc706ce4239299a5b87e6cfdae7c013bc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "da3e968fc6fa632df4ce4d7da93f9f91b9446e7b9a48d20ad5a7bc1a8e71e7e8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2016-12-07T10:52:30Z",
    "title_canon_sha256": "bc02828a0626b84c364da5b645a327aabaac3d1ba3f3162dc42cf383017deaed"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1612.02193",
    "kind": "arxiv",
    "version": 2
  }
}