Pith Number

pith:IKPLUZPW

pith:2019:IKPLUZPW7YZDSTL4STTIQR75BF

not attested not anchored not stored refs pending

Persistent atomic frequency comb based on Zeeman sub-levels of an erbium-doped crystal waveguide

Daniel Oblak, Marcelli Grimau Puigibert, Mohsen Falamarzi Askarani, Neil Sinclair, Thomas Lutz, Wolfgang Tittel

arxiv:1907.07780 v2 · 2019-07-17 · 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{IKPLUZPW7YZDSTL4STTIQR75BF}

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.

Cited by

1 paper in Pith

Programmable cavity-enhanced telecom quantum memory in thin-film lithium niobate

Receipt and verification

First computed	2026-07-05T01:01:00.060654Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

429eba65f6fe32394d7c94e68847fd095b376abcdc004dd00c1d5c99401c21a1

Aliases

arxiv: 1907.07780 · arxiv_version: 1907.07780v2 · doi: 10.48550/arxiv.1907.07780 · pith_short_12: IKPLUZPW7YZD · pith_short_16: IKPLUZPW7YZDSTL4 · pith_short_8: IKPLUZPW

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/IKPLUZPW7YZDSTL4STTIQR75BF \
  | 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: 429eba65f6fe32394d7c94e68847fd095b376abcdc004dd00c1d5c99401c21a1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c40a43ffae19c67b9f73ad6bc6f354e415953e10731158288a08b6a07c29281d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2019-07-17T21:29:58Z",
    "title_canon_sha256": "775a31430654d7c153837354ac278421b06434f9fea80a0e3ed61bdd2530f15d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.07780",
    "kind": "arxiv",
    "version": 2
  }
}