Pith Number

pith:NGYQDQVX

pith:2011:NGYQDQVX4M5NG3TZDQ6GAHG2DC

not attested not anchored not stored refs pending

Randomly distilling W-class states into general configurations of two-party entanglement

Eric Chitambar, Hoi-Kwong Lo, Wei Cui

arxiv:1106.1209 v1 · 2011-06-06 · 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{NGYQDQVX4M5NG3TZDQ6GAHG2DC}

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	2026-05-18T04:08:05.109749Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

69b101c2b7e33ad36e791c3c601cda188bceccbcb1f138ccdee3923d94ed33dd

Aliases

arxiv: 1106.1209 · arxiv_version: 1106.1209v1 · doi: 10.48550/arxiv.1106.1209 · pith_short_12: NGYQDQVX4M5N · pith_short_16: NGYQDQVX4M5NG3TZ · pith_short_8: NGYQDQVX

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/NGYQDQVX4M5NG3TZDQ6GAHG2DC \
  | 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: 69b101c2b7e33ad36e791c3c601cda188bceccbcb1f138ccdee3923d94ed33dd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a91aafbc3c933c8dd9982436a67233aa0703bd12fbbb587727ddf83d95f9e109",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2011-06-06T22:21:45Z",
    "title_canon_sha256": "3d71669d1d0154d37a8027bcf7d6cc3427f0f75d3bd37cee44f3835af0522ca5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1106.1209",
    "kind": "arxiv",
    "version": 1
  }
}