Pith Number

pith:WIEJJ7IU

pith:2014:WIEJJ7IUJVJ3PFE3LVY2DNZ74J

not attested not anchored not stored refs pending

Quantum metrology with unitary parametrization processes

Jing Liu, Xiaoguang Wang, Xiaoxing Jing

arxiv:1409.4057 v2 · 2014-09-14 · 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{WIEJJ7IUJVJ3PFE3LVY2DNZ74J}

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	2026-05-18T02:26:31.573400Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b20894fd144d53b7949b5d71a1b73fe276b474d7fcc788e53c8f5f69eb78343c

Aliases

arxiv: 1409.4057 · arxiv_version: 1409.4057v2 · doi: 10.48550/arxiv.1409.4057 · pith_short_12: WIEJJ7IUJVJ3 · pith_short_16: WIEJJ7IUJVJ3PFE3 · pith_short_8: WIEJJ7IU

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/WIEJJ7IUJVJ3PFE3LVY2DNZ74J \
  | 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: b20894fd144d53b7949b5d71a1b73fe276b474d7fcc788e53c8f5f69eb78343c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "93e433ed6ea746fdc17f6a332399f1e8283faaaded5ae6dd70d688fc8e5606aa",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/3.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2014-09-14T14:00:17Z",
    "title_canon_sha256": "55aff5cd335d23acec0ade83b78c1fa2fce6bb0f34b011c450ade83275ab8291"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.4057",
    "kind": "arxiv",
    "version": 2
  }
}