Pith Number

pith:TARG4524

pith:2016:TARG45242ZBULGX5N3OPLYAB3Q

not attested not anchored not stored refs pending

Valid lower bound for all estimators in quantum parameter estimation

Haidong Yuan, Jing Liu

arxiv:1609.01618 v1 · 2016-09-06 · 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{TARG45242ZBULGX5N3OPLYAB3Q}

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	2026-05-18T01:05:39.110537Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

98226e775cd643459afd6edcf5e001dc11b39c9e0c11f116c831b7cf406ff19a

Aliases

arxiv: 1609.01618 · arxiv_version: 1609.01618v1 · doi: 10.48550/arxiv.1609.01618 · pith_short_12: TARG45242ZBU · pith_short_16: TARG45242ZBULGX5 · pith_short_8: TARG4524

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/TARG45242ZBULGX5N3OPLYAB3Q \
  | 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: 98226e775cd643459afd6edcf5e001dc11b39c9e0c11f116c831b7cf406ff19a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f307ebd9ffe3bb8d03b60520663baba57bd8147c183f40ec72a8312948237c7c",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2016-09-06T15:48:10Z",
    "title_canon_sha256": "f7c785229769b8d1a46a5fd4e2c2cdddf580b24fc3eb85037057872efe874b42"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.01618",
    "kind": "arxiv",
    "version": 1
  }
}