Pith Number

pith:SOY76SIY

pith:2008:SOY76SIYUV5QIOWJQKQHI7V6AE

not attested not anchored not stored refs pending

Entanglement concentration after a multi-interactions channel

Eleonora Nagali, Fabio Sciarrino, Francesco De Martini, Miroslav Gavenda, Radim Filip

arxiv:0812.0938 v1 · 2008-12-04 · 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{SOY76SIYUV5QIOWJQKQHI7V6AE}

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	2026-05-18T04:40:54.763603Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

93b1ff4918a57b043ac982a0747ebe010129863c18f6b9b3126ebf84ec148473

Aliases

arxiv: 0812.0938 · arxiv_version: 0812.0938v1 · doi: 10.48550/arxiv.0812.0938 · pith_short_12: SOY76SIYUV5Q · pith_short_16: SOY76SIYUV5QIOWJ · pith_short_8: SOY76SIY

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/SOY76SIYUV5QIOWJQKQHI7V6AE \
  | 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: 93b1ff4918a57b043ac982a0747ebe010129863c18f6b9b3126ebf84ec148473

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8fd7305772b3d8c05d2e2a8f2ea2f9b062da67ade4a28d417b76ec9d8398bda1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2008-12-04T14:00:02Z",
    "title_canon_sha256": "2acaf2ba1468194ae7fc0c86077cc5b0037ae342ed47f256cb60dd853ee72916"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0812.0938",
    "kind": "arxiv",
    "version": 1
  }
}