Pith Number

pith:E7AN7DFC

pith:2009:E7AN7DFC4GERZINOIMDEU2K4NW

not attested not anchored not stored refs pending

Quantum repeaters with entangled coherent states

Christoph Simon, Julien Laurat, Nicolas Gisin, Nicolas Sangouard, Philippe Grangier, Rosa Tualle-Brouri

arxiv:0912.3871 v1 · 2009-12-19 · 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{E7AN7DFC4GERZINOIMDEU2K4NW}

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	2026-05-18T02:10:15.388568Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

27c0df8ca2e1891ca1ae43064a695c6db411c99edefbae16f171bfdce44f4fd4

Aliases

arxiv: 0912.3871 · arxiv_version: 0912.3871v1 · doi: 10.48550/arxiv.0912.3871 · pith_short_12: E7AN7DFC4GER · pith_short_16: E7AN7DFC4GERZINO · pith_short_8: E7AN7DFC

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/E7AN7DFC4GERZINOIMDEU2K4NW \
  | 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: 27c0df8ca2e1891ca1ae43064a695c6db411c99edefbae16f171bfdce44f4fd4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7f1f617646db2a0f91b84397563751c17926475f0d47dcff1b8ee598e0b14f6d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2009-12-19T08:26:56Z",
    "title_canon_sha256": "2a94e11cdedd865fe0c4fa3a02511e0ad17b484c82a69ff68dbcc6a0ce1d0bd8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0912.3871",
    "kind": "arxiv",
    "version": 1
  }
}