Pith Number

pith:MZMXK2XP

pith:2004:MZMXK2XPCVGTLRXGXK57C6I2SI

not attested not anchored not stored refs pending

Quantum channel using photon number correlated twin beams

Katsuyuki Kasai, Kazuhiro Hayasaka, Yun Zhang

arxiv:quant-ph/0401033 v1 · 2004-01-08 · 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{MZMXK2XPCVGTLRXGXK57C6I2SI}

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	2026-05-18T01:37:58.796256Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6659756aef154d35c6e6babbf1791a9227763fec69ef18e38e54544bc7451e19

Aliases

arxiv: quant-ph/0401033 · arxiv_version: quant-ph/0401033v1 · doi: 10.48550/arxiv.quant-ph/0401033 · pith_short_12: MZMXK2XPCVGT · pith_short_16: MZMXK2XPCVGTLRXG · pith_short_8: MZMXK2XP

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/MZMXK2XPCVGTLRXGXK57C6I2SI \
  | 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: 6659756aef154d35c6e6babbf1791a9227763fec69ef18e38e54544bc7451e19

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4d263ac18dbb3a826456719d8e305274d10b3f93a433081d27b43905b15c8476",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2004-01-08T06:27:26Z",
    "title_canon_sha256": "9501e75d374dab7cf158d7628a4aa64cea9f6242e5a143ba7bf3f9a1c5702db9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0401033",
    "kind": "arxiv",
    "version": 1
  }
}