Pith Number

pith:PCEKGXQ7

pith:2017:PCEKGXQ7TRXDJ25PKDI2UC7MVU

not attested not anchored not stored refs pending

High-speed noise-free optical quantum memory

A. Feizpour, B. Brecht, D. J. Saunders, E. Poem, G. S. Thekkadath, I. A. Walmsley, J. H. D. Munns, J. Nunn, K. T. Kaczmarek, O. Lazo-Arjona, P. M. Ledingham, S. E. Thomas

arxiv:1704.00013 v3 · 2017-03-31 · 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{PCEKGXQ7TRXDJ25PKDI2UC7MVU}

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	2026-05-18T00:18:46.602031Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7888a35e1f9c6e34ebaf50d1aa0becad13391a641181ab598ca9f34c52fcf884

Aliases

arxiv: 1704.00013 · arxiv_version: 1704.00013v3 · doi: 10.48550/arxiv.1704.00013 · pith_short_12: PCEKGXQ7TRXD · pith_short_16: PCEKGXQ7TRXDJ25P · pith_short_8: PCEKGXQ7

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/PCEKGXQ7TRXDJ25PKDI2UC7MVU \
  | 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: 7888a35e1f9c6e34ebaf50d1aa0becad13391a641181ab598ca9f34c52fcf884

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e77fb90631f130d11868746f78294199f9c1518b065be85739419b0273a90538",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2017-03-31T18:00:27Z",
    "title_canon_sha256": "b8ab770128f5e5e2f0c9c83b51ce74a06c59bc9eae1f07c040feade94fa5912a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.00013",
    "kind": "arxiv",
    "version": 3
  }
}