Pith Number

pith:MLXBIFQG

pith:2003:MLXBIFQG5YAVZKSTV7J35DSOWV

not attested not anchored not stored refs pending

Local cloning of Bell states and distillable entanglement

Anirban Roy, Guruprasad Kar, Sibasish Ghosh

arxiv:quant-ph/0311062 v2 · 2003-11-11 · 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{MLXBIFQG5YAVZKSTV7J35DSOWV}

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	2026-07-04T16:43:17.903594Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

62ee141606ee015caa53afd3be8e4eb57e3621ee18493f915f056e10bd78d65d

Aliases

arxiv: quant-ph/0311062 · arxiv_version: quant-ph/0311062v2 · doi: 10.48550/arxiv.quant-ph/0311062 · pith_short_12: MLXBIFQG5YAV · pith_short_16: MLXBIFQG5YAVZKST · pith_short_8: MLXBIFQG

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/MLXBIFQG5YAVZKSTV7J35DSOWV \
  | 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: 62ee141606ee015caa53afd3be8e4eb57e3621ee18493f915f056e10bd78d65d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a0cefbd6817dd63963f7737192eee24b2fb8f89982f27f366f0e7adc090d5e23",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2003-11-11T07:19:45Z",
    "title_canon_sha256": "d0dfcfe1918b5a6c6003755c475710bc73309d29ffb68d5b1804e5005afc9d39"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0311062",
    "kind": "arxiv",
    "version": 2
  }
}