Pith Number

pith:66NQBWAI

pith:2006:66NQBWAIYWKWFBFJ3F5SZW32EP

not attested not anchored not stored refs pending

Parameter estimation of quantum channels

Guoming Wang, Mingsheng Ying, Runyao Duan, Yuan Feng, Zhengfeng Ji

arxiv:quant-ph/0610060 v4 · 2006-10-09 · 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{66NQBWAIYWKWFBFJ3F5SZW32EP}

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	2026-07-04T17:23:26.262443Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f79b00d808c5956284a9d97b2cdb7a23cbc2b5fa795d1d088e57caafb6316b0b

Aliases

arxiv: quant-ph/0610060 · arxiv_version: quant-ph/0610060v4 · doi: 10.48550/arxiv.quant-ph/0610060 · pith_short_12: 66NQBWAIYWKW · pith_short_16: 66NQBWAIYWKWFBFJ · pith_short_8: 66NQBWAI

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/66NQBWAIYWKWFBFJ3F5SZW32EP \
  | 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: f79b00d808c5956284a9d97b2cdb7a23cbc2b5fa795d1d088e57caafb6316b0b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4bb2efbd75cc8efb7d1b29698d7b4914d23b7e9a07c39ef41edad88f2c0da9e3",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2006-10-09T15:11:12Z",
    "title_canon_sha256": "af96424cc2c6951881a9f5a3a9e6412f1e04e0458b8153cd3577ea36bd610eef"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0610060",
    "kind": "arxiv",
    "version": 4
  }
}