Pith Number

pith:Z4XX2IY3

pith:2011:Z4XX2IY3WIU7LQMUDEFKJS7ANR

not attested not anchored not stored refs pending

Distilling Quantum Entanglement via Mode-Matched Filtering

Prem Kumar, Yu-ping Huang

arxiv:1108.4699 v1 · 2011-08-23 · 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{Z4XX2IY3WIU7LQMUDEFKJS7ANR}

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	2026-05-18T02:00:49.023839Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cf2f7d231bb229f5c194190aa4cbe06c48c22eb858e7f428f6ac76f6a34f7419

Aliases

arxiv: 1108.4699 · arxiv_version: 1108.4699v1 · doi: 10.48550/arxiv.1108.4699 · pith_short_12: Z4XX2IY3WIU7 · pith_short_16: Z4XX2IY3WIU7LQMU · pith_short_8: Z4XX2IY3

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/Z4XX2IY3WIU7LQMUDEFKJS7ANR \
  | 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: cf2f7d231bb229f5c194190aa4cbe06c48c22eb858e7f428f6ac76f6a34f7419

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "41370ca8a64c4f4be2bde6f381df6004040a310423e15c57ce267f7e36bc3db4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2011-08-23T20:29:25Z",
    "title_canon_sha256": "7f0a29fc7f4c7f16c1470f7740dc7809280fa6719bbc25143b832be83a4c9c1f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1108.4699",
    "kind": "arxiv",
    "version": 1
  }
}