Pith. sign in
Pith Number

pith:DETDCQPB

pith:2019:DETDCQPB5NBPK2JX53V7BLMETU
not attested not anchored not stored refs pending

Extending Quantum Links: Modules for Fiber- and Memory-Based Quantum Repeaters

Christian Deppe, Christoph Becher, Dieter Meschede, Frank Schmidt, Harald Weinfurter, Holger Boche, J\"urgen Eschner, Oliver Benson, Peter Michler, Peter van Loock, Sven H\"ofling, Wolfgang Alt

arxiv:1912.10123 v1 · 2019-12-20 · quant-ph

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{DETDCQPB5NBPK2JX53V7BLMETU}

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 2026-07-05T00:27:47.095637Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

19263141e1eb42f56937eeebf0ad849d34a85bd7c8db1510701c2d3e13fb98a2

Aliases

arxiv: 1912.10123 · arxiv_version: 1912.10123v1 · doi: 10.48550/arxiv.1912.10123 · pith_short_12: DETDCQPB5NBP · pith_short_16: DETDCQPB5NBPK2JX · pith_short_8: DETDCQPB
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/DETDCQPB5NBPK2JX53V7BLMETU \
  | 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: 19263141e1eb42f56937eeebf0ad849d34a85bd7c8db1510701c2d3e13fb98a2
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "2983040b0ae7f9816dc4698658beeec80dd7d675a9033de760f8184c80490dc6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2019-12-20T22:24:28Z",
    "title_canon_sha256": "10ed74f38342d77d427606e05c62e5a4914567b1330466e0b0da82d78bc8a916"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1912.10123",
    "kind": "arxiv",
    "version": 1
  }
}