Pith Number

pith:VAL6DQGJ

pith:2018:VAL6DQGJJP53A54W2M276GICXD

not attested not anchored not stored refs pending

Nonclassicality as a Quantifiable Resource for Quantum Metrology

Hyukjoon Kwon, Hyunseok Jeong, Kok Chuan Tan, Tyler Volkoff

arxiv:1804.09355 v2 · 2018-04-25 · 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{VAL6DQGJJP53A54W2M276GICXD}

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	2026-05-17T23:54:44.081425Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a817e1c0c94bfbb07796d335ff1902b8ff9ac3f0fe205ae44d36e31941ac00be

Aliases

arxiv: 1804.09355 · arxiv_version: 1804.09355v2 · doi: 10.48550/arxiv.1804.09355 · pith_short_12: VAL6DQGJJP53 · pith_short_16: VAL6DQGJJP53A54W · pith_short_8: VAL6DQGJ

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/VAL6DQGJJP53A54W2M276GICXD \
  | 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: a817e1c0c94bfbb07796d335ff1902b8ff9ac3f0fe205ae44d36e31941ac00be

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e56534300d3b2d5bb02044d034984dfd5b55cc99d531a435a571e89fd5254443",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2018-04-25T05:34:24Z",
    "title_canon_sha256": "e60b5f5e9bdadac6c194555aefcba6bc3a9699c550867b5d4ada458626fc7671"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.09355",
    "kind": "arxiv",
    "version": 2
  }
}