Pith Number

pith:DS2NAQUO

pith:2010:DS2NAQUO43AZL7MHUU3XZJXPAL

not attested not anchored not stored refs pending

Fractional Hadamard transform with continuous variables in the context of quantum optics

Li-yun Hu, Shan-jun Ma, Xue-xiang Xu

arxiv:1010.0375 v1 · 2010-10-03 · 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{DS2NAQUO43AZL7MHUU3XZJXPAL}

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	2026-05-18T04:39:58.539921Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1cb4d0428ee6c195fd87a5377ca6ef02eaf4bbb460f926e26f6a66bb2ee8dac1

Aliases

arxiv: 1010.0375 · arxiv_version: 1010.0375v1 · doi: 10.48550/arxiv.1010.0375 · pith_short_12: DS2NAQUO43AZ · pith_short_16: DS2NAQUO43AZL7MH · pith_short_8: DS2NAQUO

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/DS2NAQUO43AZL7MHUU3XZJXPAL \
  | 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: 1cb4d0428ee6c195fd87a5377ca6ef02eaf4bbb460f926e26f6a66bb2ee8dac1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "831712fe8e1906b8e228ce50db1a1a186bda28ca2fcf2e4516b5ef4cba157286",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/3.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2010-10-03T02:49:50Z",
    "title_canon_sha256": "6fe05b338aee0ff63595d8d3e22617b2515a5c722280948b6d8061b48258f2b1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1010.0375",
    "kind": "arxiv",
    "version": 1
  }
}