Pith Number

pith:57UIY5Q6

pith:2017:57UIY5Q67T3NYE4VGS4KP4JB3F

not attested not anchored not stored refs pending

Efficient quantum repeater in perspectives of both entanglement concentration rate and LOCC complexity

Ji Guan, Lvzhou Li, Zhaofeng Su

arxiv:1710.02805 v1 · 2017-10-08 · 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{57UIY5Q67T3NYE4VGS4KP4JB3F}

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	2026-05-18T00:24:51.207963Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

efe88c761efcf6dc139534b8a7f121d95a22c01455a054539beb3fe64a677de6

Aliases

arxiv: 1710.02805 · arxiv_version: 1710.02805v1 · doi: 10.48550/arxiv.1710.02805 · pith_short_12: 57UIY5Q67T3N · pith_short_16: 57UIY5Q67T3NYE4V · pith_short_8: 57UIY5Q6

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/57UIY5Q67T3NYE4VGS4KP4JB3F \
  | 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: efe88c761efcf6dc139534b8a7f121d95a22c01455a054539beb3fe64a677de6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e2d1c5865ef6791c0132ae465de74f7514600eacfac1bd40226c8547364d806e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2017-10-08T08:41:18Z",
    "title_canon_sha256": "f1aac1bfefc6c744fde2d463dd51ea0ebc2bd8341b867ad5a06126d75ebf64ba"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1710.02805",
    "kind": "arxiv",
    "version": 1
  }
}